FR492907A - Electric lamp shutdown - Google Patents

Electric lamp shutdown

Info

Publication number
FR492907A
FR492907A FR492907DA FR492907A FR 492907 A FR492907 A FR 492907A FR 492907D A FR492907D A FR 492907DA FR 492907 A FR492907 A FR 492907A
Authority
FR
France
Prior art keywords
electric lamp
lamp shutdown
shutdown
electric
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)
Inventor
Frederick-Joseph O'neill
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.)
FREDERICK JOSEPH O NEILL
Original Assignee
FREDERICK JOSEPH O NEILL
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 FREDERICK JOSEPH O NEILL filed Critical FREDERICK JOSEPH O NEILL
Application granted granted Critical
Publication of FR492907A publication Critical patent/FR492907A/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
FR492907D 1918-10-21 1918-10-21 Electric lamp shutdown Expired FR492907A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR492907T 1918-10-21

Publications (1)

Publication Number Publication Date
FR492907A true FR492907A (en) 1919-07-25

Family

ID=1528716

Family Applications (1)

Application Number Title Priority Date Filing Date
FR492907D Expired FR492907A (en) 1918-10-21 1918-10-21 Electric lamp shutdown

Country Status (1)

Country Link
FR (1) FR492907A (en)

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