FR482427A - Incandescent electric lamp with metallic filament - Google Patents

Incandescent electric lamp with metallic filament

Info

Publication number
FR482427A
FR482427A FR482427A FR482427DA FR482427A FR 482427 A FR482427 A FR 482427A FR 482427 A FR482427 A FR 482427A FR 482427D A FR482427D A FR 482427DA FR 482427 A FR482427 A FR 482427A
Authority
FR
France
Prior art keywords
electric lamp
incandescent electric
metallic filament
filament
metallic
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
FR482427A
Other languages
French (fr)
Inventor
Emanuel Cervenka
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of FR482427A publication Critical patent/FR482427A/en
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
FR482427A 1914-05-14 1916-07-29 Incandescent electric lamp with metallic filament Expired FR482427A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE482427X 1914-05-14

Publications (1)

Publication Number Publication Date
FR482427A true FR482427A (en) 1917-03-20

Family

ID=1519432

Family Applications (1)

Application Number Title Priority Date Filing Date
FR482427A Expired FR482427A (en) 1914-05-14 1916-07-29 Incandescent electric lamp with metallic filament

Country Status (1)

Country Link
FR (1) FR482427A (en)

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