FR864344A - Improvements to incandescent lamp bases - Google Patents

Improvements to incandescent lamp bases

Info

Publication number
FR864344A
FR864344A FR864344DA FR864344A FR 864344 A FR864344 A FR 864344A FR 864344D A FR864344D A FR 864344DA FR 864344 A FR864344 A FR 864344A
Authority
FR
France
Prior art keywords
incandescent lamp
lamp bases
bases
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.)
Compagnie des Lampes
Original Assignee
Compagnie des Lampes
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 des Lampes filed Critical Compagnie des Lampes
Application granted granted Critical
Publication of FR864344A publication Critical patent/FR864344A/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01KELECTRIC INCANDESCENT LAMPS
    • H01K1/00Details
    • H01K1/42Means forming part of the lamp for the purpose of providing electrical connection, or support for, the lamp
    • H01K1/46Means forming part of the lamp for the purpose of providing electrical connection, or support for, the lamp supported by a separate part, e.g. base, cap
FR864344D 1939-03-25 1940-03-23 Improvements to incandescent lamp bases Expired FR864344A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US264154A US2198934A (en) 1939-03-25 1939-03-25 Base for electric lamps and similar devices

Publications (1)

Publication Number Publication Date
FR864344A true FR864344A (en) 1941-04-24

Family

ID=23004840

Family Applications (1)

Application Number Title Priority Date Filing Date
FR864344D Expired FR864344A (en) 1939-03-25 1940-03-23 Improvements to incandescent lamp bases

Country Status (4)

Country Link
US (1) US2198934A (en)
DE (1) DE720587C (en)
FR (1) FR864344A (en)
GB (1) GB536931A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5990606A (en) * 1997-12-01 1999-11-23 Ross; David C. Light bulb base having an enlarging external thread

Also Published As

Publication number Publication date
DE720587C (en) 1942-05-09
GB536931A (en) 1941-05-30
US2198934A (en) 1940-04-30

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