FR537835A - Incandescent lamps of complex shapes, mainly applicable to advertising - Google Patents

Incandescent lamps of complex shapes, mainly applicable to advertising

Info

Publication number: FR537835A
Authority: FR; France
Prior art keywords: advertising; incandescent lamps; complex shapes; mainly applicable; applicable
Prior art date: 1921-05-20
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

French (fr)

Inventor

Isidore Lachowski

Pierre Geniller

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.)

1921-05-20

Filing date

1921-05-20

Publication date

1922-05-30

1921-05-20 Application filed filed Critical

1922-05-30 Application granted granted Critical

1922-05-30 Publication of FR537835A publication Critical patent/FR537835A/en

Status Expired legal-status Critical Current

Classifications

- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01K—ELECTRIC INCANDESCENT LAMPS
- H01K7/00—Lamps for purposes other than general lighting
- H01K7/04—Lamps for purposes other than general lighting for indicating

FR537835D 1921-05-20 1921-05-20 Incandescent lamps of complex shapes, mainly applicable to advertising Expired FR537835A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
FR537835T		1921-05-20

Publications (1)

Publication Number	Publication Date
FR537835A true FR537835A (en)	1922-05-30

Family

ID=8927790

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR537835D Expired FR537835A (en)	1921-05-20	1921-05-20	Incandescent lamps of complex shapes, mainly applicable to advertising

Country Status (1)

Country	Link
FR (1)	FR537835A (en)

1921
- 1921-05-20 FR FR537835D patent/FR537835A/en not_active Expired

Similar Documents

Publication	Publication Date	Title
FR561530A (en)	1923-10-23	Incandescent lamp improvements
FR537835A (en)	1922-05-30	Incandescent lamps of complex shapes, mainly applicable to advertising
FR565317A (en)	1924-01-24	Incandescent lamp improvements
FR545781A (en)	1922-10-20	Incandescent lamp improvements
FR621135A (en)	1927-05-05	Improvements to incandescent electric lamps
FR538901A (en)	1922-06-17	Incandescent lamp improvements
FR543137A (en)	1922-08-28	Improvements to incandescent lamp frames
FR588184A (en)	1925-05-02	Filaments of incandescent lamps
FR570440A (en)	1924-04-30	Improvements to incandescent electric lamps
ES78890A2 (en)	1922-01-01	Incandescent lamp improvements.
ES78851A1 (en)	1921-10-01	Incandescent lamp improvements.
ES79235A3 (en)	1921-11-16	Incandescent lamp improvements.
FR544421A (en)	1922-09-22	Improvements to incandescent electric lamps
FR541068A (en)	1922-07-22	Improvements to incandescent electric lamps
FR23347E (en)	1921-11-02	Improvement in the construction of incandescent lamps
FR523459A (en)	1921-08-18	Improvement in the construction of incandescent lamps
FR560253A (en)	1923-10-02	Improvements to incandescent electric lamps
FR550011A (en)	1923-02-24	Improvements to incandescent electric lamps
ES74859A2 (en)	1921-04-01	Incandescent lamp improvements.
ES74800A1 (en)	1920-11-16	Incandescent lamp improvements.
ES74735A3 (en)	1920-11-16	Incandescent lamp improvements.
ES73150A1 (en)	1920-06-10	Incandescent lamp improvements.
FR590170A (en)	1925-06-12	Improvements to machines for shaping filaments of incandescent lamps
ES81398A3 (en)	1922-08-16	Manufacture of incandescent lamps.
FR573720A (en)	1924-06-28	Improvements to incandescent electric lamps