FR785139A - Improvements to incandescent electric lamps - Google Patents

Improvements to incandescent electric lamps

Info

Publication number
FR785139A
FR785139A FR785139DA FR785139A FR 785139 A FR785139 A FR 785139A FR 785139D A FR785139D A FR 785139DA FR 785139 A FR785139 A FR 785139A
Authority
FR
France
Prior art keywords
electric lamps
incandescent electric
incandescent
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)
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.)
Claude Paz et Visseaux SA
Original Assignee
Societe Anonyme pour les Applications de lElectricite et des Gaz Rares Etablissement Claude Paz et Silva
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 by Societe Anonyme pour les Applications de lElectricite et des Gaz Rares Etablissement Claude Paz et Silva filed Critical Societe Anonyme pour les Applications de lElectricite et des Gaz Rares Etablissement Claude Paz et Silva
Application granted granted Critical
Publication of FR785139A publication Critical patent/FR785139A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01K—ELECTRIC INCANDESCENT LAMPS
    • H01K1/00—Details
    • H01K1/50—Selection of substances for gas fillings; Specified pressure thereof
FR785139D 1934-04-23 1934-04-23 Improvements to incandescent electric lamps Expired FR785139A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR785139T 1934-04-23

Publications (1)

Publication Number Publication Date
FR785139A true FR785139A (en) 1935-08-02

Family

ID=9217672

Family Applications (1)

Application Number Title Priority Date Filing Date
FR785139D Expired FR785139A (en) 1934-04-23 1934-04-23 Improvements to incandescent electric lamps

Country Status (1)

Country Link
FR (1) FR785139A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0140330A2 (en) * 1983-10-31 1985-05-08 Kabushiki Kaisha Toshiba Miniature incandescent lamp

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0140330A2 (en) * 1983-10-31 1985-05-08 Kabushiki Kaisha Toshiba Miniature incandescent lamp
EP0140330A3 (en) * 1983-10-31 1986-01-22 Kabushiki Kaisha Toshiba Miniature incandescent lamp

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