FR669205A - Lampe à incandescence - Google Patents

Lampe à incandescence

Info

Publication number
FR669205A
FR669205A FR669205DA FR669205A FR 669205 A FR669205 A FR 669205A FR 669205D A FR669205D A FR 669205DA FR 669205 A FR669205 A FR 669205A
Authority
FR
France
Prior art keywords
incandescent lamp
incandescent
lamp
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
Jorgen Hansen
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 FR669205A publication Critical patent/FR669205A/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
FR669205D 1929-02-06 1929-02-06 Lampe à incandescence Expired FR669205A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR669205T 1929-02-06

Publications (1)

Publication Number Publication Date
FR669205A true FR669205A (fr) 1929-11-13

Family

ID=9015603

Family Applications (1)

Application Number Title Priority Date Filing Date
FR669205D Expired FR669205A (fr) 1929-02-06 1929-02-06 Lampe à incandescence

Country Status (1)

Country Link
FR (1) FR669205A (fr)

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