DE10239494A1 - Device for heating fluids in a water conducting household apparatus especially a dishwasher has electrical current flow in a surface adjacent to the fluid - Google Patents
Device for heating fluids in a water conducting household apparatus especially a dishwasher has electrical current flow in a surface adjacent to the fluid Download PDFInfo
- Publication number
- DE10239494A1 DE10239494A1 DE10239494A DE10239494A DE10239494A1 DE 10239494 A1 DE10239494 A1 DE 10239494A1 DE 10239494 A DE10239494 A DE 10239494A DE 10239494 A DE10239494 A DE 10239494A DE 10239494 A1 DE10239494 A1 DE 10239494A1
- Authority
- DE
- Germany
- Prior art keywords
- dishwasher
- electrical conductor
- heat
- fluid
- current flow
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
Links
- 238000010438 heat treatment Methods 0.000 title claims abstract description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims description 12
- 239000012530 fluid Substances 0.000 title abstract 5
- 239000004020 conductor Substances 0.000 claims abstract description 33
- 238000001035 drying Methods 0.000 claims abstract 2
- 239000007788 liquid Substances 0.000 claims description 20
- 238000007650 screen-printing Methods 0.000 claims description 2
- 229910001220 stainless steel Inorganic materials 0.000 claims description 2
- 239000010935 stainless steel Substances 0.000 claims description 2
- 238000005406 washing Methods 0.000 claims description 2
- 239000008237 rinsing water Substances 0.000 abstract 1
- 230000000875 corresponding effect Effects 0.000 description 3
- 238000009413 insulation Methods 0.000 description 2
- 239000000155 melt Substances 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000000565 sealant Substances 0.000 description 1
- 239000003566 sealing material Substances 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L15/00—Washing or rinsing machines for crockery or tableware
- A47L15/42—Details
- A47L15/4285—Water-heater arrangements
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B3/00—Ohmic-resistance heating
- H05B3/20—Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater
- H05B3/22—Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater non-flexible
- H05B3/26—Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater non-flexible heating conductor mounted on insulating base
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B2203/00—Aspects relating to Ohmic resistive heating covered by group H05B3/00
- H05B2203/002—Heaters using a particular layout for the resistive material or resistive elements
- H05B2203/003—Heaters using a particular layout for the resistive material or resistive elements using serpentine layout
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B2203/00—Aspects relating to Ohmic resistive heating covered by group H05B3/00
- H05B2203/021—Heaters specially adapted for heating liquids
Landscapes
- Heat-Pump Type And Storage Water Heaters (AREA)
- Control Of Resistance Heating (AREA)
Abstract
Description
Gegenstand der Erfindung ist eine Vorrichtung zum Aufheizen von Flüssigkeiten in einem wasserführenden Haushaltsgerät, insbesondere in einer Geschirrspülmaschine.The invention relates to a Device for heating liquids in a water-bearing Home appliance, especially in a dishwasher.
Zum Aufheizen von Flüssigkeiten in einem wasserführenden Haushaltsgerät, insbesondere in einer Geschirrspülmaschine, sind beispielsweise Durchlauferhitzer bekannt, die die in einem Rohr befindliche Flüssigkeit mittels spiralförmiger elektrischer Leiter oder Rohrheizkörper, die um die Außenwand des Rohres gewickelt sind, bei Durchfluss von elektrischem Strom erwärmen. Bei der Herstellung dieser Heizvorrichtungen werden die elektrischen Leiter oder Rohrheizkörper um das zu erwärmende Rohr gewickelt, wobei jedoch lediglich ein kleiner Oberflächenanteil der so entstehenden Schraubenspirale Kontakt mit dem zu erwärmenden Rohr hat. Ein Nachteil dieser bekannten Heizvorrichtungen besteht somit darin, eine geringe Energieeffizienz aufzuweisen, da wesentliche Wärmemengen ungenutzt abstrahlen und so gegebenenfalls andere Baueinheiten gegenüber dieser Wärmestrahlung isoliert werden müssen. Ein weiterer Nachteil der bekannten Heizvorrichtungen besteht darin, dass aufgrund der notwendigen Peripherieanpassungen für die Anordnung der Heizkörper und deren Isolierungen der ohnehin knapp bemessene Bauraum im Montageboden einer Geschirrspülmaschine nicht effizient genutzt werden kann.For heating liquids in a water-bearing Home appliance, especially in a dishwasher, water heaters are known, for example, which the in a Pipe liquid by means of spiral electrical conductor or tubular radiator around the outer wall of the tube are wound, with flow of electrical current heat. The electrical conductors are used in the manufacture of these heaters or tubular heater around the pipe to be heated wound, but only a small proportion of the surface the resulting spiral of screw contact with the one to be heated Tube. A disadvantage of these known heaters is thus in having low energy efficiency as essential amounts of heat Blast unused and so possibly other units compared to it thermal radiation must be isolated. Another disadvantage of the known heating devices is that that due to the necessary peripheral adjustments for the arrangement the radiator and their insulation the already tight space in the assembly floor one dishwasher cannot be used efficiently.
Aufgabe der vorliegenden Erfindung ist es daher, eine Vorrichtung zum Aufheizen von Flüssigkeiten in einem wasserführenden Haushaltsgerät, insbesondere in einer Geschirrspülmaschine, bereitzustellen, welche es erlaubt eine effiziente Baugröße mit einer effizienten Wärmeübertragungsrate bereitzustellen.Object of the present invention is therefore a device for heating liquids in a water-bearing Household appliance, in particular in a dishwasher, to provide, which allows an efficient size with a efficient heat transfer rate provide.
Diese Aufgabe wird durch die erfindungsgemäße Vorrichtung mit den Merkmalen gemäß Anspruch 1 sowie durch die Geschirrspülmaschine mit den Merkmalen gemäß dem weiteren unabhängigen Anspruch gelöst. Vorteilhafte Weiterbildungen der vorliegenden Erfindung sind in den Unteransprüchen gekennzeichnet.This object is achieved by the device according to the invention with the features according to claim 1 as well as by the dishwasher with the features according to the further independent claim solved. Advantageous developments of the present invention are in marked the subclaims.
Bei der erfindungsgemäßen Vorrichtung zum Aufheizen von Flüssigkeiten in einem wasserführenden Haushaltsgerät, insbesondere in einer Geschirrspülmaschine, ist eine Struktur vorgesehen, die mit der Flüssigkeit in Verbindung bringbar ist, wobei diese Struktur an einer Oberfläche mit einem elektrischen Leiter versehen ist, der so ausgebildet ist, die Struktur bei Stromdurchfluss und somit schließlich die Flüssigkeit zu erwärmen. Zweckmäßigerweise wird die Wärmemenge über die Stromdurchflussmenge, d.h. Stromstärke geregelt.In the device according to the invention for heating liquids in a water-bearing Home appliance, especially in a dishwasher, a structure is provided which can be brought into connection with the liquid is, this structure on a surface with an electrical Is provided conductor, which is designed, the structure when current flows and finally the liquid to warm up. Expediently the amount of heat over the Current flow rate, i.e. Current regulated.
Nach einer bevorzugten Ausführungsform der Erfindung ist die Struktur im wesentlichen plan ausgebildet, kann jedoch auch konturenreich ausgebildet sein. Die Form der Struktur hängt hauptsächlich von der konstruktiven Ausgestaltung des wasserführenden Behälters ab, wobei es bei der Verwendung als Heizvorrichtung für die Spülflotte in einer Geschirrspülmaschine kann zweckmäßig sein, die erfindungsgemäße Struktur der Vorrichtung zum Aufheizen von Flüssigkeiten im wesentlichen plan auszubilden, beispielsweise in Form einer Seitenwand eines Behälters oder auch in Form eines Behälters.According to a preferred embodiment of the Invention, the structure is essentially flat, can However, it should also be contoured. The shape of the structure depends mainly on the constructive design of the water-bearing container, it being at Use as a heater for the washing liquor in a dishwasher can be useful the structure according to the invention the device for heating liquids essentially plan plan, for example in the form of a side wall container or in the form of a container.
Vorteilhafterweise ist der elektrische Leiter auf der der zu erwärmenden Flüssigkeit abgewandten Oberfläche der Struktur vorgesehen, so dass keine Abdichtungs- und Isolierungsprobleme zwischen dem elektrischen Leiter und der zu erwärmenden Flüssigkeit zu erwarten sind.The electrical is advantageous Ladder on the one to be heated liquid facing surface the structure provided so that no sealing and insulation problems between the electrical conductor and the liquid to be heated are to be expected.
Zweckmäßigerweise ist die Struktur aus einem wärmeleitenden Material, insbesondere aus Edelstahl oder einem hitzebeständigem Kunststoff hergestellt und so bemessen, dass ein wesentlicher Anteil der Wärmemenge des elektrischen Leiters bei Stromdurchfluss rasch durch die Struktur und die zu erwärmende Flüssigkeit fließen kann.The structure is expedient from a thermally conductive Material, especially made of stainless steel or a heat-resistant plastic and dimensioned so that a substantial proportion of the amount of heat of the electrical conductor when current flows through the structure and the one to be heated liquid flow can.
Bevorzugt wird der oder die elektrischen Leiter mittels Siebdruckverfahren auf die Struktur aufgebracht. Ebenso ist es möglich, die elektrischen Leiter mittels geeigneter Klebeverfahren auf der Struktur aufzubringen.The electrical or electrical is preferred Ladder applied to the structure using screen printing. It is also possible the electrical conductors on the Structure.
Bei einer weiteren bevorzugten Ausführungsform der vorliegenden Erfindung weist der elektrische Leiter im wesentlichen eine einheitliche Querschnittsfläche auf, so dass die durch den Ohmschen Widerstand erzeugte Wärmeleistung über den elektrischen Leiter im wesentlichen gleich verteilt ist.In a further preferred embodiment In the present invention, the electrical conductor essentially has a uniform cross-sectional area on, so that the thermal power generated by the ohmic resistance over the electrical conductor is distributed substantially equally.
Vorteilhafterweise ist am elektrischen Leiter zumindest ein Bereich vorgesehen, der gegenüber der restlichen Länge des elektrischen Leiters eine wesentlich geringere Querschnittsfläche, eine Leiterverengung aufweist. Diese Leiterverengung dient als Sicherung, die bei Anliegen einer zu hohen elektrischen Stromstärke schmilzt und den Stromkreis dauerhaft unterbricht. Andere mögliche Sicherungsmaßnahmen, die die Geschirrspülmaschine bei Auftreten von zu hohen Stromstärkewerten vor Schäden schützen, können zweckmäßigerweise in Form von M-fuse, Thermoschaltern oder anderen bekannten Mitteln bereitgestellt werden.Advantageously, the electrical Head provided at least one area opposite to the remaining length of the electrical conductor has a significantly smaller cross-sectional area, a Has narrowed conductor. This narrowing of the conductors serves as a safeguard, which melts when the electrical current is too high and permanently breaks the circuit. Other possible safeguards, the the dishwasher Protect against damage when excessive current values occur, can expediently provided in the form of M-fuse, thermal switches or other known means become.
Zweckmäßigerweise ist der elektrische Leiter der erfindungsgemäßen Vorrichtung mit der Programmsteuerung der Geschirrspülmaschine verbunden und wird über diese Programmsteuerung betrieben. Die Temperatureinstellung kann sowohl über die Stromstärke als auch über die Anzahl der elektrischen Leiter bestimmt werden.The electrical is expedient Head of the device according to the invention connected to the program control of the dishwasher and is via this Program control operated. The temperature setting can be adjusted via the current as well also about the number of electrical conductors can be determined.
Erfindungsgemäß weist eine Geschirrspülmaschine die vorbeschriebene Vorrichtung zum Aufheizen von Flüssigkeiten auf, die auch zum Trocknen des Spülgutes verwendet werden kann, indem die erfindungsgemäße Vorrichtung beispielsweise im Spülbehälter der Geschirrspülmaschine, besonders bevorzugt im Boden oder in der Tür angeordnet wird.According to the invention, a dishwasher has the above-described device for heating liquids which can also be used to dry the dishes, by the device according to the invention for example in the rinse tank Dishwasher, is particularly preferably arranged in the floor or in the door.
Die erfindungsgemäße Vorrichtung wird anhand von zwei Ausführungsbeispielen in den nachfolgenden Zeichnungen näher erläutert. Es zeigen:The device according to the invention is on hand of two embodiments in the following drawings. Show it:
In
Die räumliche Verteilung des elektrischen Leiters
Bei Verwendung der erfindungsgemäßen Vorrichtung
Der elektrische Leiter
In der Ausführungsform gemäß
Als Sicherheitsmaßnahme, die vor Überhitzen
des Vorheizbehälters
Claims (10)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10239494A DE10239494A1 (en) | 2002-08-28 | 2002-08-28 | Device for heating fluids in a water conducting household apparatus especially a dishwasher has electrical current flow in a surface adjacent to the fluid |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10239494A DE10239494A1 (en) | 2002-08-28 | 2002-08-28 | Device for heating fluids in a water conducting household apparatus especially a dishwasher has electrical current flow in a surface adjacent to the fluid |
Publications (1)
Publication Number | Publication Date |
---|---|
DE10239494A1 true DE10239494A1 (en) | 2004-03-11 |
Family
ID=31502051
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE10239494A Ceased DE10239494A1 (en) | 2002-08-28 | 2002-08-28 | Device for heating fluids in a water conducting household apparatus especially a dishwasher has electrical current flow in a surface adjacent to the fluid |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE10239494A1 (en) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10356790A1 (en) * | 2003-12-04 | 2005-07-07 | BSH Bosch und Siemens Hausgeräte GmbH | Heating device for fluids, water heaters and process for their preparation |
EP1728461A1 (en) * | 2005-06-01 | 2006-12-06 | Coprecitec, S.L. | Household dishwasher with a water distribution chamber |
US7815745B2 (en) | 2004-06-24 | 2010-10-19 | Lg Electronics Inc. | Heater-mounting structure of dish washer, and the heater |
FR2994892A1 (en) * | 2012-09-06 | 2014-03-07 | Valeo Systemes Thermiques | ELECTRIC FLUID HEATING DEVICE FOR MOTOR VEHICLE, HEATING CIRCUIT, AND HEATING AND / OR AIR CONDITIONING APPARATUS THEREOF |
DE102005062480B4 (en) * | 2005-12-27 | 2014-05-22 | BSH Bosch und Siemens Hausgeräte GmbH | dishwasher |
FR3049152A1 (en) * | 2016-03-21 | 2017-09-22 | Valeo Systemes Dessuyage | HEATING ELEMENT FOR A WIPER BLADE OF A VEHICLE |
Citations (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1937806A1 (en) * | 1968-12-13 | 1971-02-18 | Blechblas U Signal Instrumente | Silicone rubber sealing pad |
DE3237825A1 (en) * | 1982-10-12 | 1984-04-12 | Bosch-Siemens Hausgeräte GmbH, 7000 Stuttgart | Electric heater for dish-washing machines |
DE3716954A1 (en) * | 1987-05-20 | 1988-12-01 | Bosch Siemens Hausgeraete | ARRANGEMENT OF ELECTRICAL HEATING IN A HOUSEHOLD DISHWASHER |
DE3905398A1 (en) * | 1989-02-22 | 1990-08-23 | Licentia Gmbh | Electrically heated continuous-flow heater, in particular for washing or dishwashing machines |
DE4024559A1 (en) * | 1990-08-02 | 1992-02-06 | Miele & Cie | Electric throughflow heater for dishwasher or washing machine - has two separate throughflow channels in series within hollow cylinder surrounded by heating winding |
DE4401420C2 (en) * | 1994-01-19 | 1997-07-31 | Aeg Hausgeraete Gmbh | Work container for a dishwasher or washing machine |
DE19932033A1 (en) * | 1998-07-10 | 2000-01-13 | Kaco Gmbh Co | Heating element for use in washing machines, hairdryers etc. |
DE19916136A1 (en) * | 1999-04-09 | 2000-10-12 | Aweco Appliance Sys Gmbh & Co | Domestic washing machine or dishwasher has heater and circulating pump |
DE10021512A1 (en) * | 2000-05-03 | 2001-11-08 | Ego Elektro Geraetebau Gmbh | Electric heating unit, especially for liquid media |
DE10025539A1 (en) * | 2000-05-23 | 2001-11-29 | Diehl Ako Stiftung Gmbh & Co | Heating device used for a household appliance, e.g. a washing machine or dishwasher, comprises a ceramic-filled polymer layer arranged between a surface of the appliance to be heated and an electrically conducting heating foil |
DE10053415A1 (en) * | 2000-10-27 | 2002-05-29 | Bsh Bosch Siemens Hausgeraete | Electric radiator |
-
2002
- 2002-08-28 DE DE10239494A patent/DE10239494A1/en not_active Ceased
Patent Citations (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1937806A1 (en) * | 1968-12-13 | 1971-02-18 | Blechblas U Signal Instrumente | Silicone rubber sealing pad |
DE3237825A1 (en) * | 1982-10-12 | 1984-04-12 | Bosch-Siemens Hausgeräte GmbH, 7000 Stuttgart | Electric heater for dish-washing machines |
DE3716954A1 (en) * | 1987-05-20 | 1988-12-01 | Bosch Siemens Hausgeraete | ARRANGEMENT OF ELECTRICAL HEATING IN A HOUSEHOLD DISHWASHER |
DE3905398A1 (en) * | 1989-02-22 | 1990-08-23 | Licentia Gmbh | Electrically heated continuous-flow heater, in particular for washing or dishwashing machines |
DE4024559A1 (en) * | 1990-08-02 | 1992-02-06 | Miele & Cie | Electric throughflow heater for dishwasher or washing machine - has two separate throughflow channels in series within hollow cylinder surrounded by heating winding |
DE4401420C2 (en) * | 1994-01-19 | 1997-07-31 | Aeg Hausgeraete Gmbh | Work container for a dishwasher or washing machine |
DE19932033A1 (en) * | 1998-07-10 | 2000-01-13 | Kaco Gmbh Co | Heating element for use in washing machines, hairdryers etc. |
DE19916136A1 (en) * | 1999-04-09 | 2000-10-12 | Aweco Appliance Sys Gmbh & Co | Domestic washing machine or dishwasher has heater and circulating pump |
DE10021512A1 (en) * | 2000-05-03 | 2001-11-08 | Ego Elektro Geraetebau Gmbh | Electric heating unit, especially for liquid media |
DE10025539A1 (en) * | 2000-05-23 | 2001-11-29 | Diehl Ako Stiftung Gmbh & Co | Heating device used for a household appliance, e.g. a washing machine or dishwasher, comprises a ceramic-filled polymer layer arranged between a surface of the appliance to be heated and an electrically conducting heating foil |
DE10053415A1 (en) * | 2000-10-27 | 2002-05-29 | Bsh Bosch Siemens Hausgeraete | Electric radiator |
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10356790A1 (en) * | 2003-12-04 | 2005-07-07 | BSH Bosch und Siemens Hausgeräte GmbH | Heating device for fluids, water heaters and process for their preparation |
US7815745B2 (en) | 2004-06-24 | 2010-10-19 | Lg Electronics Inc. | Heater-mounting structure of dish washer, and the heater |
EP1728461A1 (en) * | 2005-06-01 | 2006-12-06 | Coprecitec, S.L. | Household dishwasher with a water distribution chamber |
DE102005062480B4 (en) * | 2005-12-27 | 2014-05-22 | BSH Bosch und Siemens Hausgeräte GmbH | dishwasher |
FR2994892A1 (en) * | 2012-09-06 | 2014-03-07 | Valeo Systemes Thermiques | ELECTRIC FLUID HEATING DEVICE FOR MOTOR VEHICLE, HEATING CIRCUIT, AND HEATING AND / OR AIR CONDITIONING APPARATUS THEREOF |
WO2014037242A1 (en) * | 2012-09-06 | 2014-03-13 | Valeo Systemes Thermiques | Device for electrically heating fluid for a motor vehicle, and associated heating circuit and heating and/or air conditioning device |
FR3049152A1 (en) * | 2016-03-21 | 2017-09-22 | Valeo Systemes Dessuyage | HEATING ELEMENT FOR A WIPER BLADE OF A VEHICLE |
EP3223583A1 (en) * | 2016-03-21 | 2017-09-27 | Valeo Systèmes d'Essuyage | Heating element for a windscreen-wiper blade of a vehicle |
CN107215312A (en) * | 2016-03-21 | 2017-09-29 | 法雷奥系统公司 | Vehicle windscreen wiper heater element |
CN107215312B (en) * | 2016-03-21 | 2019-08-20 | 法雷奥系统公司 | Vehicle windscreen wiper heater element |
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Legal Events
Date | Code | Title | Description |
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OM8 | Search report available as to paragraph 43 lit. 1 sentence 1 patent law | ||
8110 | Request for examination paragraph 44 | ||
R016 | Response to examination communication | ||
R081 | Change of applicant/patentee |
Owner name: BSH HAUSGERAETE GMBH, DE Free format text: FORMER OWNER: BSH BOSCH UND SIEMENS HAUSGERAETE GMBH, 81739 MUENCHEN, DE Effective date: 20150407 |
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R002 | Refusal decision in examination/registration proceedings | ||
R003 | Refusal decision now final |