[go: up one dir, main page]

DE3684916D1 - Windturbinensystem mit savoniustyp-rotor. - Google Patents

Windturbinensystem mit savoniustyp-rotor.

Info

Publication number
DE3684916D1
DE3684916D1 DE8686907045T DE3684916T DE3684916D1 DE 3684916 D1 DE3684916 D1 DE 3684916D1 DE 8686907045 T DE8686907045 T DE 8686907045T DE 3684916 T DE3684916 T DE 3684916T DE 3684916 D1 DE3684916 D1 DE 3684916D1
Authority
DE
Germany
Prior art keywords
savonius type
rotor
type rotor
wind turbine
turbine system
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.)
Expired - Lifetime
Application number
DE8686907045T
Other languages
English (en)
Inventor
Alvin H Benesh
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Application granted granted Critical
Publication of DE3684916D1 publication Critical patent/DE3684916D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03D—WIND MOTORS
    • F03D3/00—Wind motors with rotation axis substantially perpendicular to the air flow entering the rotor 
    • F03D3/04—Wind motors with rotation axis substantially perpendicular to the air flow entering the rotor  having stationary wind-guiding means, e.g. with shrouds or channels
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03D—WIND MOTORS
    • F03D3/00—Wind motors with rotation axis substantially perpendicular to the air flow entering the rotor 
    • F03D3/04—Wind motors with rotation axis substantially perpendicular to the air flow entering the rotor  having stationary wind-guiding means, e.g. with shrouds or channels
    • F03D3/0436—Wind motors with rotation axis substantially perpendicular to the air flow entering the rotor  having stationary wind-guiding means, e.g. with shrouds or channels for shielding one side of the rotor
    • F03D3/0445—Wind motors with rotation axis substantially perpendicular to the air flow entering the rotor  having stationary wind-guiding means, e.g. with shrouds or channels for shielding one side of the rotor the shield being fixed with respect to the wind motor
    • F03D3/0454—Wind motors with rotation axis substantially perpendicular to the air flow entering the rotor  having stationary wind-guiding means, e.g. with shrouds or channels for shielding one side of the rotor the shield being fixed with respect to the wind motor and only with concentrating action, i.e. only increasing the airflow speed into the rotor, e.g. divergent outlets
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03D—WIND MOTORS
    • F03D3/00—Wind motors with rotation axis substantially perpendicular to the air flow entering the rotor 
    • F03D3/06—Rotors
    • F03D3/061—Rotors characterised by their aerodynamic shape, e.g. aerofoil profiles
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03D—WIND MOTORS
    • F03D7/00—Controlling wind motors 
    • F03D7/06—Controlling wind motors  the wind motors having rotation axis substantially perpendicular to the air flow entering the rotor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2240/00—Components
    • F05B2240/20—Rotors
    • F05B2240/21—Rotors for wind turbines
    • F05B2240/211—Rotors for wind turbines with vertical axis
    • F05B2240/213—Rotors for wind turbines with vertical axis of the Savonius type
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2240/00—Components
    • F05B2240/20—Rotors
    • F05B2240/21—Rotors for wind turbines
    • F05B2240/221—Rotors for wind turbines with horizontal axis
    • F05B2240/2212—Rotors for wind turbines with horizontal axis perpendicular to wind direction
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/70—Wind energy
    • Y02E10/74—Wind turbines with rotation axis perpendicular to the wind direction
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S416/00—Fluid reaction surfaces, i.e. impellers
    • Y10S416/09—Savonius

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Wind Motors (AREA)
DE8686907045T 1985-11-22 1986-10-23 Windturbinensystem mit savoniustyp-rotor. Expired - Lifetime DE3684916D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06/801,069 US4715776A (en) 1985-11-22 1985-11-22 Wind turbine system using a savonius type rotor
PCT/US1986/002238 WO1987003340A1 (en) 1985-11-22 1986-10-23 Wind turbine system using a savonius-type rotor

Publications (1)

Publication Number Publication Date
DE3684916D1 true DE3684916D1 (de) 1992-05-21

Family

ID=25180114

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8686907045T Expired - Lifetime DE3684916D1 (de) 1985-11-22 1986-10-23 Windturbinensystem mit savoniustyp-rotor.

Country Status (10)

Country Link
US (2) US4715776A (de)
EP (1) EP0247139B1 (de)
JP (1) JPS63502044A (de)
KR (1) KR880700896A (de)
AT (1) ATE75005T1 (de)
AU (1) AU6729287A (de)
CA (1) CA1252392A (de)
DE (1) DE3684916D1 (de)
IN (2) IN166450B (de)
WO (1) WO1987003340A1 (de)

Families Citing this family (51)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4715776A (en) * 1985-11-22 1987-12-29 Benesh Alvin H Wind turbine system using a savonius type rotor
US4830570A (en) * 1987-12-15 1989-05-16 Benesh Alvin H Wind turbine system using twin savonius-type rotors
GB9302648D0 (en) * 1993-02-10 1993-03-24 Farrar Austin P Wind powered turbine
US5494407A (en) * 1994-12-16 1996-02-27 Benesh; Alvin H. Wind turbine with savonius-type rotor
US6177735B1 (en) 1996-10-30 2001-01-23 Jamie C. Chapman Integrated rotor-generator
IL126678A (en) * 1998-10-20 2003-01-12 Bruce Brill Modular wind energy device
EP1010891A1 (de) * 1998-12-14 2000-06-21 Samuel Bernard Windsammelsystem für Windturbine
US6302652B1 (en) * 1998-12-24 2001-10-16 General Dynamics Government Systems Corporation Elliptical propeller and windmill blade assembly
US6239507B1 (en) 1999-07-30 2001-05-29 Harry Douthit Wind powered machine
US6935832B1 (en) * 2002-05-21 2005-08-30 Natural Forces, Llc Portable power generating devices
US7241105B1 (en) 2002-06-07 2007-07-10 Vanderhye Robert A Watercraft with vertically collapsible vertical axis wind turbine and propeller flexible drive shaft
US7759812B2 (en) 2003-04-30 2010-07-20 Terra Moya Aqua, Inc. Integrated power plant that utilizes renewable and alternative energy sources
US6966747B2 (en) * 2003-04-30 2005-11-22 Taylor Ronald J Wind turbine having airfoils for blocking and directing wind and rotors with or without a central gap
US7189050B2 (en) * 2003-04-30 2007-03-13 Terra Moya Aqua, Inc. Cross-flow wind turbine
US6890367B2 (en) * 2003-07-17 2005-05-10 Saudi Arabian Oil Company Dynamic sand drift barrier
US7602076B1 (en) * 2003-07-24 2009-10-13 Peter Fox Sipp Hydro-power generating system and method
JP4597566B2 (ja) * 2004-05-06 2010-12-15 株式会社因幡電機製作所 サボニウス型風車及び照明灯
US7245039B2 (en) * 2004-12-10 2007-07-17 Duhamel Robert A Apparatus and method for generating hydrogen gas through the use of wind power
US7980825B2 (en) * 2005-10-18 2011-07-19 Robert A. Vanderhye Savonius rotor blade construction particularly for a three bladed savonius rotor
US7314346B2 (en) * 2005-11-03 2008-01-01 Vanderhye Robert A Three bladed Savonius rotor
US7344353B2 (en) * 2005-05-13 2008-03-18 Arrowind Corporation Helical wind turbine
US7393177B2 (en) * 2005-11-04 2008-07-01 Rahai Hamid R Vertical axis wind turbine with optimized blade profile
US7540705B2 (en) * 2006-02-01 2009-06-02 Emshey Garry Horizontal multi-blade wind turbine
WO2007111517A2 (en) * 2006-03-24 2007-10-04 Pacer Turbines Limited Fluid power generator
NZ546169A (en) * 2006-03-24 2008-12-24 Pacer Turbines Ltd Power generator
US7494315B2 (en) * 2006-05-05 2009-02-24 Hart James R Helical taper induced vortical flow turbine
US7425776B2 (en) * 2006-06-21 2008-09-16 Ketcham John C Multi-cylinder wind powered generator
ATE474138T1 (de) * 2006-10-28 2010-07-15 Hoernig Maria Windkraftanlage sowie verfahren zur erzeugung von elektrischer energie aus bewegter umgebungsluft
US8322992B2 (en) * 2007-04-17 2012-12-04 Adam Fuller Modular wind-driven electrical power generator and method of manufacture
US7638895B2 (en) * 2007-07-16 2009-12-29 Smartenergy, Ltd. Modular fluid-energy system
US8490423B2 (en) * 2007-12-04 2013-07-23 Maersk Container Industri As Container with air guide
WO2010148168A1 (en) * 2009-06-20 2010-12-23 Ricker Jonathan C System for generating electrical energy using wind power
US20090261596A1 (en) * 2008-04-17 2009-10-22 Windenergy Co., Ltd. Wind power generator
US8070449B2 (en) * 2008-04-29 2011-12-06 Absolute Turn, Inc. Wind turbine
CA2665964A1 (en) * 2008-05-14 2009-11-14 Ronald Hall Vertical axis wind turbine having angled leading edge
US8376711B2 (en) * 2008-10-28 2013-02-19 Aeronet Inc. Dual rotor wind turbine
US8162589B2 (en) * 2008-11-17 2012-04-24 Brian Moore Moving fluid energy recovery system
US8446033B1 (en) 2009-02-09 2013-05-21 Roy D. Gaul Savonius rotor wind power generator system and method
CA2714844C (en) * 2009-09-11 2016-03-15 John B. Ball Vertical axis wind turbine
US7976267B2 (en) 2010-08-10 2011-07-12 Burrell Iv James W Helix turbine system and energy production means
US20130033043A1 (en) * 2011-08-02 2013-02-07 Ching Yuan Huang Wind turbine generator set
US8546971B2 (en) * 2011-12-26 2013-10-01 Ilya Tsitron Apparatus for generating electricity from wind power
DE102012014627A1 (de) 2012-07-17 2014-02-06 Christiane Bareiß Segovia Konischer Rotor zur Aufladung von Akkumulatoren bei Verkehrsmitteln mit Elektro- und Hybridantrieb
US20170335822A1 (en) * 2014-08-18 2017-11-23 Jan Franck Wind turbine which can be moved in translation
CZ306150B6 (cs) * 2015-01-16 2016-08-24 Tadeusz Skowronski Větrná turbína se svislou osou otáčení
AU2018315012B2 (en) * 2017-08-07 2024-11-14 Spinetic Energy Limited A rotor for a vertical axis wind turbine
US20190257285A1 (en) * 2018-02-19 2019-08-22 Windside America Ltd. Arched rib for a turbine
USD875682S1 (en) 2018-02-19 2020-02-18 Windside America Ltd. Arched rib for a turbine
CN108678900B (zh) * 2018-04-13 2020-11-17 西安理工大学 一种提升启动性能的风机
US10724502B2 (en) 2018-05-22 2020-07-28 Creating Moore, Llc Vertical axis wind turbine apparatus and system
CA3109428A1 (en) * 2018-11-15 2020-05-22 Mark Daniel Farb Savonius wind turbine ratios

Family Cites Families (54)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US416170A (en) * 1889-12-03 Car-lamp
US607668A (en) * 1898-07-19 Windmill
US410360A (en) * 1889-09-03 Windmill
US274541A (en) * 1883-03-27 Horizontal windmill
DE453231C (de) * 1927-12-01 Hermann Krueger Windturbine mit ineinandergreifenden Fluegelraedern
US434108A (en) * 1890-08-12 Wind-wheel
US764571A (en) * 1904-02-27 1904-07-12 Edward Earnest Chard Wind-motor.
US923698A (en) * 1908-06-16 1909-06-01 Jonathan Perry Wind-power machine.
US973823A (en) * 1909-05-10 1910-10-25 Norman A Stamm Water-motor.
US1300499A (en) * 1917-05-04 1919-04-15 Harry E Slagel Wind-wheel or wind-driven prime mover.
GB158974A (en) * 1919-11-12 1921-02-14 Henry Gardiner Lloyd Improvements in or relating to fluid-current motors
US1455950A (en) * 1921-12-23 1923-05-22 Irvin F Willman Windmill
US1534799A (en) * 1923-10-24 1925-04-21 Maine Hiram Wind-power engine
DK37015C (da) * 1924-12-12 1927-01-17 Sigurd Johannes Savonius Rotor eller roterende Drivanordning.
GB258955A (en) * 1925-07-03 1926-10-04 Lloyd S Bank Improvements in or relating to apparatus controlled by wind or other fluid currents
US1596373A (en) * 1925-11-10 1926-08-17 Benjamin M H Preston Wind wheel
US1766765A (en) * 1927-12-16 1930-06-24 Sigurd J Savonius Wind rotor
FR658943A (fr) * 1928-08-13 1929-06-21 Turbine éolienne avec aubes verticales et paraboliques
US1790175A (en) * 1928-09-06 1931-01-27 Franklin H Hamilton Wind-driven power device
FR727519A (fr) * 1931-11-12 1932-06-20 Turbine à fluide
US2007963A (en) * 1934-05-03 1935-07-16 James G Cleveland Fluid current turbine
FR797106A (fr) * 1935-10-31 1936-04-21 Moteur à vent
FR997942A (fr) * 1945-09-06 1952-01-11 Aéro-moteur à grand rendement
DE821930C (de) * 1948-11-16 1951-11-22 Gertrud Suffczynski Geb Senftl Windkraftmaschine
FR59828E (fr) * 1949-02-28 1954-08-23 Signaux Entr Electriques Procédé et dispositifs de transmission à distance d'ordres intéressant des mobiles se suivant sur une même ligne
FR1048392A (fr) * 1951-08-02 1953-12-22 Perfectionnements aux aéromoteurs industriels à grande p?issance
DE1628140A1 (de) * 1967-06-07 1970-02-05 Gottfried Weiss Windkraftmaschine mit Rotor
DE1916460A1 (de) * 1969-03-31 1970-10-08 Weiss Gottfried Windmotor mit achsparallelen Windfluegeln und selbsttaetiger Drehzahlregelung
US3895882A (en) * 1974-04-17 1975-07-22 Robert D Moyer Windmill structure
FR2286955A1 (fr) * 1974-10-04 1976-04-30 Bignon Jacques Turbine ou eolienne a pales articulees sur le rotor, l'axe de ce dernier etant perpendiculaire a la direction du fluide dont on capte l'energie
US4005947A (en) * 1975-02-10 1977-02-01 Norton Joseph R Fluid operated rotor
US4039849A (en) * 1975-03-31 1977-08-02 Milton H. Mater Wind powered generating systems
US4047832A (en) * 1975-04-03 1977-09-13 Polytechnic Institute Of New York Fluid flow energy conversion systems
IT1034864B (it) * 1975-04-07 1979-10-10 Poeta Rolando Aeromotore con serie di rotori uguali a disposizione osliqua nella direzione del vento
US4115028A (en) * 1977-06-30 1978-09-19 Hintze Anton E Wind powered cylinder
US4156580A (en) * 1977-08-18 1979-05-29 Pohl Lothar L Wind-turbines
US4204795A (en) * 1977-09-21 1980-05-27 Forrest William J Wind collecting method and apparatus
DE2758447A1 (de) * 1977-12-28 1979-07-05 Erich Herter Windturbine
DE2819673A1 (de) * 1978-05-05 1979-11-08 Uwe Hansen Vorrichtung zum umwandeln der energie des natuerlichen windes in nutzbare mechanische energie
FR2431041A1 (fr) * 1978-07-12 1980-02-08 Brille Maurice Station pour le captage du vent, ou barrage eolien
NL7809790A (nl) * 1978-09-27 1980-03-31 Mattheus Willem Verplanke Inrichting voor het opwekken van energie uit een stro- mend medium.
US4288200A (en) * 1979-04-25 1981-09-08 Hare Louis R O Wind tower turbine
US4278896A (en) * 1979-06-04 1981-07-14 Mcfarland Douglas F Wind power generator
IL60721A (en) * 1979-08-07 1984-12-31 Archer John David Device for utilization of wind energy
IT1203272B (it) * 1979-08-28 1989-02-15 Adolfo Baccini Aeromotore con ruota a flusso radiale parzialmente protetto con pale fisse di grande diametro
CA1123341A (en) * 1980-01-04 1982-05-11 Jerome Bechard Windmill
US4362470A (en) * 1981-04-23 1982-12-07 Locastro Gerlando J Wind turbine
US4359311A (en) * 1981-05-26 1982-11-16 Benesh Alvin H Wind turbine rotor
US4449887A (en) * 1981-09-14 1984-05-22 Mundhenke Ivan W Horizontal axis windmill
FR2522074A1 (fr) * 1982-02-19 1983-08-26 Dottori Jean Francois Eolienne a deflecteur mobile
US4474529A (en) * 1983-03-21 1984-10-02 Kinsey Lewis R Windmill
JPS60145464A (ja) * 1984-01-05 1985-07-31 Hiroshi Shimoda 翼のオ−バ−ラツプ部分が並行である．サボニウス風車。
US4652206A (en) * 1985-03-29 1987-03-24 Yeoman David R Wind turbine
US4715776A (en) * 1985-11-22 1987-12-29 Benesh Alvin H Wind turbine system using a savonius type rotor

Also Published As

Publication number Publication date
CA1252392A (en) 1989-04-11
ATE75005T1 (de) 1992-05-15
WO1987003340A1 (en) 1987-06-04
KR880700896A (ko) 1988-04-13
EP0247139A1 (de) 1987-12-02
US4715776A (en) 1987-12-29
IN166450B (de) 1990-05-12
EP0247139A4 (de) 1988-05-02
US4838757A (en) 1989-06-13
EP0247139B1 (de) 1992-04-15
JPS63502044A (ja) 1988-08-11
IN169100B (de) 1991-09-07
AU6729287A (en) 1987-07-01

Similar Documents

Publication Publication Date Title
DE3684916D1 (de) Windturbinensystem mit savoniustyp-rotor.
SE8102427L (sv) Vindturbin med drivsystemstorningsisolering
ATE220762T1 (de) Steuerlogik für eine windenergieanlage
JPS5770962A (en) Vertical shaft windwheel
RU94039546A (ru) Способ использования энергии ветра и ветроэлектростанции
ES2150501T3 (es) Instalacion de energia eolica, con un rotor darrieus en h.
DK539088D0 (da) Baeretaplejring til rotorbladene i vindkraftanlaeg
DE3265783D1 (en) Wind energy harnessing device
ES8201691A1 (es) Aerogenerador con eje de orientacion variable
DE58903583D1 (de) Windkraftanlage.
KR840007143A (ko) 대형풍차 터빈의 블레이드 피치각 제어 시스템
ATE209302T1 (de) Durch windkraft angetriebener generator
ATE38541T1 (de) Windkraftmaschine zur stromerzeugung.
RU93015767A (ru) Автоматическая форсированная ветровая турбина
JPS57372A (en) Longitudinal blade planetary wind-mill
JPS56107976A (en) Wind-power collector by wing
JPS5696176A (en) Windmill operating controller
MY102647A (en) A wind turbine
JPS5361024A (en) Power-off reset device for inverter
FR2335707A1 (fr) Systeme a deux turbines a axes verticaux ayant une action conjuguee pour la production d'energie par l'utilisation du vent.
JPS5627079A (en) Wind-power generator having electric motor
GB2098671B (en) Dumping rotor blades for high speed wind power rotors
RU1775025C (ru) Ветроустановка дл отоплени помещений
KR870002371A (ko) 풍력 발전소
DK135292B (da) Vindenergianlæg med Darrieus-rotor.

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee