FR393888A - Metal filaments for electric incandescent lamps - Google Patents

Metal filaments for electric incandescent lamps

Info

Publication number
FR393888A
FR393888A FR393888DA FR393888A FR 393888 A FR393888 A FR 393888A FR 393888D A FR393888D A FR 393888DA FR 393888 A FR393888 A FR 393888A
Authority
FR
France
Prior art keywords
incandescent lamps
metal filaments
electric incandescent
electric
filaments
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
Francois-Jean Planchon
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.)
FRANCOIS-JEAN PLANCHON
Original Assignee
FRANCOIS-JEAN PLANCHON
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 FRANCOIS-JEAN PLANCHON filed Critical FRANCOIS-JEAN PLANCHON
Application granted granted Critical
Publication of FR393888A publication Critical patent/FR393888A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01K—ELECTRIC INCANDESCENT LAMPS
    • H01K3/00—Apparatus or processes adapted to the manufacture, installing, removal, or maintenance of incandescent lamps or parts thereof
    • H01K3/02—Manufacture of incandescent bodies

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
FR393888D 1907-11-09 1907-11-09 Metal filaments for electric incandescent lamps Expired FR393888A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR393888T 1907-11-09

Publications (1)

Publication Number Publication Date
FR393888A true FR393888A (en) 1909-01-08

Family

ID=1439162

Family Applications (1)

Application Number Title Priority Date Filing Date
FR393888D Expired FR393888A (en) 1907-11-09 1907-11-09 Metal filaments for electric incandescent lamps

Country Status (1)

Country Link
FR (1) FR393888A (en)

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