FR826612A - Gas-filled incandescent electric lamp - Google Patents

Gas-filled incandescent electric lamp

Info

Publication number: FR826612A
Authority: FR; France
Prior art keywords: gas; electric lamp; incandescent electric; filled incandescent; filled
Prior art date: 1936-09-12
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

Application number

Other languages

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.)

Ver Gluehlampen & Elek AG

Original Assignee

Ver Gluehlampen & Elek AG

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.)

1936-09-12

Filing date

1937-09-11

Publication date

1938-04-06

1937-09-11 Application filed by Ver Gluehlampen & Elek AG filed Critical Ver Gluehlampen & Elek AG

1938-04-06 Application granted granted Critical

1938-04-06 Publication of FR826612A publication Critical patent/FR826612A/en

Status Expired legal-status Critical Current

Classifications

- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01K—ELECTRIC INCANDESCENT LAMPS
- H01K1/00—Details
- H01K1/28—Envelopes; Vessels
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01K—ELECTRIC INCANDESCENT LAMPS
- H01K1/00—Details
- H01K1/28—Envelopes; Vessels
- H01K1/34—Double wall vessels
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01K—ELECTRIC INCANDESCENT LAMPS
- H01K1/00—Details
- H01K1/50—Selection of substances for gas fillings; Specified pressure thereof
- 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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps

FR826612D 1936-09-12 1937-09-11 Gas-filled incandescent electric lamp Expired FR826612A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
AT153448T		1936-09-12

Publications (1)

Publication Number	Publication Date
FR826612A true FR826612A (en)	1938-04-06

Family

ID=3647578

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR826612D Expired FR826612A (en)	1936-09-12	1937-09-11	Gas-filled incandescent electric lamp

Country Status (4)

Country	Link
AT (1)	AT153448B (en)
FR (1)	FR826612A (en)
GB (1)	GB481063A (en)
NL (1)	NL49383C (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE3501776A1 (en) *	1985-01-21	1986-07-24	Paul Prof. Dr. 7500 Karlsruhe Schulz	Incandescent lamps of high light yield
WO2003088293A2 (en) *	2002-04-12	2003-10-23	Philips Intellectual Property & Standards Gmbh	Lamp having an inner and an outer vessel

0
- NL NL49383D patent/NL49383C/xx active
1936
- 1936-09-12 AT AT153448D patent/AT153448B/en active
1937
- 1937-05-03 GB GB12565/37A patent/GB481063A/en not_active Expired
- 1937-09-11 FR FR826612D patent/FR826612A/en not_active Expired

Also Published As

Publication number	Publication date
AT153448B (en)	1938-05-25
NL49383C (en)
GB481063A (en)	1938-03-04

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