FR732477A - Incandescent electric lamp or electric discharge tube without base - Google Patents

Incandescent electric lamp or electric discharge tube without base

Info

Publication number
FR732477A
FR732477A FR732477DA FR732477A FR 732477 A FR732477 A FR 732477A FR 732477D A FR732477D A FR 732477DA FR 732477 A FR732477 A FR 732477A
Authority
FR
France
Prior art keywords
base
discharge tube
electric
incandescent
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)
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Application granted granted Critical
Publication of FR732477A publication Critical patent/FR732477A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J9/00—Apparatus or processes specially adapted for the manufacture, installation, removal, maintenance of electric discharge tubes, discharge lamps, or parts thereof; Recovery of material from discharge tubes or lamps
    • H01J9/40—Closing vessels
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01K—ELECTRIC INCANDESCENT LAMPS
    • H01K1/00—Details
    • H01K1/42—Means forming part of the lamp for the purpose of providing electrical connection, or support for, the lamp
    • H01K1/44—Means forming part of the lamp for the purpose of providing electrical connection, or support for, the lamp directly applied to, or forming part of, the vessel

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Manufacture Of Electron Tubes, Discharge Lamp Vessels, Lead-In Wires, And The Like (AREA)
FR732477D 1931-03-03 1932-02-29 Incandescent electric lamp or electric discharge tube without base Expired FR732477A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL381837X 1931-03-03

Publications (1)

Publication Number Publication Date
FR732477A true FR732477A (en) 1932-09-21

Family

ID=19785662

Family Applications (1)

Application Number Title Priority Date Filing Date
FR732477D Expired FR732477A (en) 1931-03-03 1932-02-29 Incandescent electric lamp or electric discharge tube without base

Country Status (3)

Country Link
BE (1) BE386759A (en)
FR (1) FR732477A (en)
GB (1) GB381837A (en)

Also Published As

Publication number Publication date
GB381837A (en) 1932-10-13
BE386759A (en)

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