FR406981A - Manufacturing process of metal filaments for incandescent electric lamps - Google Patents

Manufacturing process of metal filaments for incandescent electric lamps

Info

Publication number
FR406981A
FR406981A FR406981DA FR406981A FR 406981 A FR406981 A FR 406981A FR 406981D A FR406981D A FR 406981DA FR 406981 A FR406981 A FR 406981A
Authority
FR
France
Prior art keywords
manufacturing process
metal filaments
electric lamps
incandescent electric
incandescent
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)
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.)
ELECTRIQUES A INCANDESCENCE
Original Assignee
ELECTRIQUES A INCANDESCENCE
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 ELECTRIQUES A INCANDESCENCE filed Critical ELECTRIQUES A INCANDESCENCE
Application granted granted Critical
Publication of FR406981A publication Critical patent/FR406981A/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)
FR406981D 1908-12-18 1908-12-18 Manufacturing process of metal filaments for incandescent electric lamps Expired FR406981A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR406981T 1908-12-18

Publications (1)

Publication Number Publication Date
FR406981A true FR406981A (en) 1910-02-16

Family

ID=1451324

Family Applications (1)

Application Number Title Priority Date Filing Date
FR406981D Expired FR406981A (en) 1908-12-18 1908-12-18 Manufacturing process of metal filaments for incandescent electric lamps

Country Status (1)

Country Link
FR (1) FR406981A (en)

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