CH67660A - Electric light bulb with a helically wound filament - Google Patents

Electric light bulb with a helically wound filament

Info

Publication number: CH67660A
Authority: CH; Switzerland
Prior art keywords: light bulb; electric light; helically wound; wound filament; filament
Prior art date: 1913-12-26

Application number

CH67660A

Other languages

German (de)

Inventor

Aktien-Gesellschaft Wol Lampen

Original Assignee

Wolfram Lampen Aktien Ges

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.)

1913-12-26

Filing date

1913-12-26

Publication date

1915-01-02

1913-12-26 Application filed by Wolfram Lampen Aktien Ges filed Critical Wolfram Lampen Aktien Ges

1915-01-02 Publication of CH67660A publication Critical patent/CH67660A/en

Links

CH67660A 1913-12-26 1913-12-26 Electric light bulb with a helically wound filament CH67660A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CH67660T		1913-12-26

Publications (1)

Publication Number	Publication Date
CH67660A true CH67660A (en)	1915-01-02

Family

ID=4314690

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CH67660A CH67660A (en)	1913-12-26	1913-12-26	Electric light bulb with a helically wound filament

Country Status (1)

Country	Link
CH (1)	CH67660A (en)

1913
- 1913-12-26 CH CH67660A patent/CH67660A/en unknown

Similar Documents

Publication	Publication Date	Title
CH75712A (en)	1918-02-01	Gas-filled electric light bulb with a spiral filament
NL653C (en)	1916-12-01	Electric light bulb with double reflector
CH60648A (en)	1913-08-01	Electric double reflector light bulb
FR466738A (en)	1914-05-22	Electric helical filament lamps
CH69695A (en)	1915-10-01	Electric light bulb with gas filling
CH69560A (en)	1915-07-01	Electric light bulb with gas filling
CH68246A (en)	1915-03-01	Improved Electric Light Bulb
CH66823A (en)	1914-10-16	Electric light bulb with filament support frame
CH59268A (en)	1913-05-02	Ceiling lamp for electrical lighting with extendable light screen
AT74068B (en)	1917-12-27	Electric light bulb with gas filling.
CH37527A (en)	1907-06-15	Electric light bulb with a metallic filament
CH67033A (en)	1914-11-02	Electric light bulb
CH62016A (en)	1913-11-01	Helical metal filament for electric light bulbs
CH67837A (en)	1915-01-16	Point lighting with upright, spring-mounted electric light bulb
ES55792A1 (en)	1913-08-01	An electric incandescent lamp with a coil of filament wire.
CH60390A (en)	1913-07-16	Electric metal wire light bulb
CH75505A (en)	1917-08-01	Electric incandescent lamp filled with argon
CH69696A (en)	1915-07-16	Gas-filled incandescent lamp with filaments wound in a tightly helical manner
FI5809A (en)	1914-06-09	Electric light bulb
ES54750A1 (en)	1913-03-16	A winding arrangement for the electric lamp filament.
CH54431A (en)	1912-05-17	Incandescent lamp with metal filaments
NL4105C (en)	1914-09-10	Electric carbon filament bulb with gas filling
ES59061A1 (en)	1914-10-16	An incandescent electric lamp with a filament arranged in a spiral or spiral spring.
CH68561A (en)	1915-04-01	Electric hand lamp
FR459546A (en)	1913-11-07	Improvements to metal filament electric lamps