FR557504A - Improvements made to the means of fixing electric bulbs in their sockets - Google Patents

Improvements made to the means of fixing electric bulbs in their sockets

Info

Publication number
FR557504A
FR557504A FR557504DA FR557504A FR 557504 A FR557504 A FR 557504A FR 557504D A FR557504D A FR 557504DA FR 557504 A FR557504 A FR 557504A
Authority
FR
France
Prior art keywords
sockets
improvements made
fixing electric
electric bulbs
bulbs
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)
Inventor
Erich William Hutchings
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 filed Critical
Application granted granted Critical
Publication of FR557504A publication Critical patent/FR557504A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R33/00—Coupling devices specially adapted for supporting apparatus and having one part acting as a holder providing support and electrical connection via a counterpart which is structurally associated with the apparatus, e.g. lamp holders; Separate parts thereof
    • H01R33/97—Holders with separate means to prevent loosening of the coupling or unauthorised removal of apparatus held
    • H01R33/973—Holders with separate means to prevent loosening of the coupling or unauthorised removal of apparatus held for bayonet type coupling devices
FR557504D 1921-10-18 1922-10-17 Improvements made to the means of fixing electric bulbs in their sockets Expired FR557504A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NZ557504X 1921-10-18

Publications (1)

Publication Number Publication Date
FR557504A true FR557504A (en) 1923-08-10

Family

ID=19915937

Family Applications (1)

Application Number Title Priority Date Filing Date
FR557504D Expired FR557504A (en) 1921-10-18 1922-10-17 Improvements made to the means of fixing electric bulbs in their sockets

Country Status (1)

Country Link
FR (1) FR557504A (en)

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