FR653630A - Perfectionnements aux appareils d'éclairage - Google Patents

Perfectionnements aux appareils d'éclairage

Info

Publication number
FR653630A
FR653630A FR653630DA FR653630A FR 653630 A FR653630 A FR 653630A FR 653630D A FR653630D A FR 653630DA FR 653630 A FR653630 A FR 653630A
Authority
FR
France
Prior art keywords
lighting fixtures
fixtures
lighting
fixtures improvements
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
English (en)
Inventor
Eugene-Xavier Klein
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.)
Compagnie de Signaux et dEntreprises Electriques SA
Original Assignee
Compagnie de Signaux et dEntreprises Electriques SA
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 Compagnie de Signaux et dEntreprises Electriques SA filed Critical Compagnie de Signaux et dEntreprises Electriques SA
Application granted granted Critical
Publication of FR653630A publication Critical patent/FR653630A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01K—ELECTRIC INCANDESCENT LAMPS
    • H01K1/00—Details
    • H01K1/28—Envelopes; Vessels
    • H01K1/34—Double wall vessels
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
FR653630D 1928-04-30 1928-04-30 Perfectionnements aux appareils d'éclairage Expired FR653630A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR653630T 1928-04-30

Publications (1)

Publication Number Publication Date
FR653630A true FR653630A (fr) 1929-03-23

Family

ID=9005975

Family Applications (1)

Application Number Title Priority Date Filing Date
FR653630D Expired FR653630A (fr) 1928-04-30 1928-04-30 Perfectionnements aux appareils d'éclairage

Country Status (1)

Country Link
FR (1) FR653630A (fr)

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