FR519133A - Improvements in the manufacture of filaments and the like - Google Patents

Improvements in the manufacture of filaments and the like

Info

Publication number
FR519133A
FR519133A FR519133A FR519133DA FR519133A FR 519133 A FR519133 A FR 519133A FR 519133 A FR519133 A FR 519133A FR 519133D A FR519133D A FR 519133DA FR 519133 A FR519133 A FR 519133A
Authority
FR
France
Prior art keywords
filaments
manufacture
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
FR519133A
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.)
Compagnie Francaise Thomson Houston SA
Original Assignee
Compagnie Francaise Thomson Houston SA
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 Compagnie Francaise Thomson Houston SA filed Critical Compagnie Francaise Thomson Houston SA
Application granted granted Critical
Publication of FR519133A publication Critical patent/FR519133A/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)
FR519133A 1919-07-17 1920-07-06 Improvements in the manufacture of filaments and the like Expired FR519133A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US519133XA 1919-07-17 1919-07-17

Publications (1)

Publication Number Publication Date
FR519133A true FR519133A (en) 1921-06-04

Family

ID=21974149

Family Applications (1)

Application Number Title Priority Date Filing Date
FR519133A Expired FR519133A (en) 1919-07-17 1920-07-06 Improvements in the manufacture of filaments and the like

Country Status (1)

Country Link
FR (1) FR519133A (en)

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