FR449339A - Method of mounting the filaments of incandescent electric lamps, avoiding the complete extinction of the lamp in the event of a break in the filament - Google Patents

Method of mounting the filaments of incandescent electric lamps, avoiding the complete extinction of the lamp in the event of a break in the filament

Info

Publication number
FR449339A
FR449339A FR449339DA FR449339A FR 449339 A FR449339 A FR 449339A FR 449339D A FR449339D A FR 449339DA FR 449339 A FR449339 A FR 449339A
Authority
FR
France
Prior art keywords
filaments
filament
avoiding
break
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
French (fr)
Inventor
Georges Valensi
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 FR449339A publication Critical patent/FR449339A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01K—ELECTRIC INCANDESCENT LAMPS
    • H01K9/00—Lamps having two or more incandescent bodies separately heated
    • H01K9/02—Lamps having two or more incandescent bodies separately heated to provide substitution in the event of failure of one of the bodies
FR449339D 1912-01-11 1912-10-11 Method of mounting the filaments of incandescent electric lamps, avoiding the complete extinction of the lamp in the event of a break in the filament Expired FR449339A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE449339X 1912-01-11

Publications (1)

Publication Number Publication Date
FR449339A true FR449339A (en) 1913-02-24

Family

ID=1489871

Family Applications (1)

Application Number Title Priority Date Filing Date
FR449339D Expired FR449339A (en) 1912-01-11 1912-10-11 Method of mounting the filaments of incandescent electric lamps, avoiding the complete extinction of the lamp in the event of a break in the filament

Country Status (1)

Country Link
FR (1) FR449339A (en)

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