FR974140A - Appareil d'éclairage - Google Patents

Appareil d'éclairage

Info

Publication number: FR974140A
Authority: FR; France
Prior art keywords: lighting fixture; fixture; lighting
Prior art date: 1941-12-31
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

Inventor

Georges Main

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.)

1941-12-31

Filing date

1941-12-31

Publication date

1951-02-19

1941-12-31 Application filed filed Critical

1951-02-19 Application granted granted Critical

1951-02-19 Publication of FR974140A publication Critical patent/FR974140A/fr

Status Expired legal-status Critical Current

Classifications

- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01K—ELECTRIC INCANDESCENT LAMPS
- H01K1/00—Details
- H01K1/28—Envelopes; Vessels
- H01K1/32—Envelopes; Vessels provided with coatings on the walls; Vessels or coatings thereon characterised by the material thereof

FR974140D 1941-12-31 1941-12-31 Appareil d'éclairage Expired FR974140A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
FR974140T		1941-12-31

Publications (1)

Publication Number	Publication Date
FR974140A true FR974140A (fr)	1951-02-19

Family

ID=9517282

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR974140D Expired FR974140A (fr)	1941-12-31	1941-12-31	Appareil d'éclairage

Country Status (1)

Country	Link
FR (1)	FR974140A (fr)

1941
- 1941-12-31 FR FR974140D patent/FR974140A/fr not_active Expired

Similar Documents

Publication	Publication Date	Title
FR866082A (fr)	1941-06-16	Appareil d'éclairage
FR871396A (fr)	1942-04-22	Appareil d'éclairage électrique
FR792629A (fr)	1936-01-07	Appareil d'éclairage
FR850769A (fr)	1939-12-26	Appareil d'éclairage décoratif
FR1058256A (fr)	1954-03-15	Appareil d'éclairage
FR1021802A (fr)	1953-02-24	Appareil d'éclairage
FR974140A (fr)	1951-02-19	Appareil d'éclairage
FR951747A (fr)	1949-11-02	Appareillage d'éclairage
FR829585A (fr)	1938-06-30	Appareil d'éclairage
FR817601A (fr)	1937-09-07	Appareil d'éclairage
FR938008A (fr)	1948-09-02	Appareil d'éclairage
FR1050146A (fr)	1954-01-05	Appareil d'éclairage dirigé
FR883438A (fr)	1943-07-05	Appareil d'éclairage
FR882451A (fr)	1943-06-04	Appareil d'éclairage
FR903366A (fr)	1945-10-01	Appareil d'éclairage
FR903384A (fr)	1945-10-01	Appareil d'éclairage
FR951748A (fr)	1949-11-02	Nouvel appareil d'éclairage
FR850260A (fr)	1939-12-12	Appareil d'éclairage
FR843066A (fr)	1939-06-26	Appareil d'éclairage
FR835675A (fr)	1938-12-28	Appareil d'éclairage
FR893913A (fr)	1944-11-14	Dispositif d'éclairage
FR865793A (fr)	1941-06-03	Appareil d'éclairage
FR858397A (fr)	1940-11-23	Appareil d'éclairage
FR857543A (fr)	1940-09-17	Appareil d'éclairage
FR805932A (fr)	1936-12-03	Appareil d'éclairage perfectionné