FR394302A - Process for the manufacture of filaments of electric incandescent lamps - Google Patents

Process for the manufacture of filaments of electric incandescent lamps

Info

Publication number
FR394302A
FR394302A FR394302DA FR394302A FR 394302 A FR394302 A FR 394302A FR 394302D A FR394302D A FR 394302DA FR 394302 A FR394302 A FR 394302A
Authority
FR
France
Prior art keywords
filaments
manufacture
incandescent lamps
electric incandescent
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
Karl Rittersberg
Hermann Rubert
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 FR394302A publication Critical patent/FR394302A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01K—ELECTRIC INCANDESCENT LAMPS
    • H01K1/00—Details
    • H01K1/02—Incandescent bodies
    • H01K1/04—Incandescent bodies characterised by the material thereof
    • H01K1/06—Carbon bodies
FR394302D 1908-09-15 1908-09-15 Process for the manufacture of filaments of electric incandescent lamps Expired FR394302A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR394302T 1908-09-15

Publications (1)

Publication Number Publication Date
FR394302A true FR394302A (en) 1909-01-20

Family

ID=1439553

Family Applications (1)

Application Number Title Priority Date Filing Date
FR394302D Expired FR394302A (en) 1908-09-15 1908-09-15 Process for the manufacture of filaments of electric incandescent lamps

Country Status (1)

Country Link
FR (1) FR394302A (en)

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