FR522474A - Improvements to electric lamps - Google Patents

Improvements to electric lamps

Info

Publication number
FR522474A
FR522474A FR522474A FR522474DA FR522474A FR 522474 A FR522474 A FR 522474A FR 522474 A FR522474 A FR 522474A FR 522474D A FR522474D A FR 522474DA FR 522474 A FR522474 A FR 522474A
Authority
FR
France
Prior art keywords
electric lamps
lamps
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
FR522474A
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.)
CIE DES CHARBONS FABIUS HENRIO
Original Assignee
CIE DES CHARBONS FABIUS HENRIO
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 CIE DES CHARBONS FABIUS HENRIO filed Critical CIE DES CHARBONS FABIUS HENRIO
Application granted granted Critical
Publication of FR522474A publication Critical patent/FR522474A/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
    • H01K3/20—Sealing-in wires directly into the envelope

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
FR522474A 1920-08-14 1920-08-14 Improvements to electric lamps Expired FR522474A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR522474T 1920-08-14

Publications (1)

Publication Number Publication Date
FR522474A true FR522474A (en) 1921-07-30

Family

ID=8917921

Family Applications (1)

Application Number Title Priority Date Filing Date
FR522474A Expired FR522474A (en) 1920-08-14 1920-08-14 Improvements to electric lamps

Country Status (1)

Country Link
FR (1) FR522474A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1008822B (en) * 1951-02-23 1957-05-23 Hivac Ltd Electric light bulb
DE1036641B (en) * 1953-06-11 1958-08-14 Philips Nv End insert for foil flash lamps

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1008822B (en) * 1951-02-23 1957-05-23 Hivac Ltd Electric light bulb
DE1036641B (en) * 1953-06-11 1958-08-14 Philips Nv End insert for foil flash lamps

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