FR551623A - Improvements to electric lamps - Google Patents

Improvements to electric lamps

Info

Publication number
FR551623A
FR551623A FR551623DA FR551623A FR 551623 A FR551623 A FR 551623A FR 551623D A FR551623D A FR 551623DA FR 551623 A FR551623 A FR 551623A
Authority
FR
France
Prior art keywords
electric lamps
lamps
electric
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
Application number
Other languages
French (fr)
Inventor
Armand Rueff
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 filed Critical
Application granted granted Critical
Publication of FR551623A publication Critical patent/FR551623A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01K—ELECTRIC INCANDESCENT LAMPS
    • H01K1/00—Details
    • H01K1/02—Incandescent bodies
    • H01K1/14—Incandescent bodies characterised by the shape
FR551623D 1921-09-06 1921-09-06 Improvements to electric lamps Expired FR551623A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR551623T 1921-09-06

Publications (1)

Publication Number Publication Date
FR551623A true FR551623A (en) 1923-04-10

Family

ID=8936979

Family Applications (1)

Application Number Title Priority Date Filing Date
FR551623D Expired FR551623A (en) 1921-09-06 1921-09-06 Improvements to electric lamps

Country Status (1)

Country Link
FR (1) FR551623A (en)

Similar Documents

Publication Publication Date Title
FR560298A (en) Improvements made to electrical switches
FR522474A (en) Improvements to electric lamps
FR547606A (en) Improvements to electrical switches
FR543642A (en) Improvements to electro-mechanical lamps
FR529405A (en) Improvements to electric lamps
FR551623A (en) Improvements to electric lamps
FR537546A (en) Improvements to electric lamps
FR536673A (en) Improvements to electric hoists
FR535868A (en) Improvements to insulators
FR544706A (en) Improvements to electric lamp sockets
FR544715A (en) Improvements made to electric clocks
FR530809A (en) Improvements to electrical insulators
FR550201A (en) Improvements to electric lamps
FR27158E (en) Improvements to radio-receivers
FR559341A (en) Improvements to seleno-radio-dosimeter
FR559343A (en) Improvements to electrical controls
FR551277A (en) Improvements made to electric accumulators
FR26722E (en) Improvements to electrical switches
FR549394A (en) Improvements to electrical switches
FR541026A (en) Improvements to electrical switches
FR554970A (en) Improvements to electrical switches
FR530366A (en) Improvements to electric headlights
FR566293A (en) Improvements to electric lamps
FR543190A (en) Improvements to electro-mechanical lamps
FR535031A (en) Improvements to electric heaters