FR525752A - Dispositif d'alarme contre le vol des lampes électriques - Google Patents

Dispositif d'alarme contre le vol des lampes électriques

Info

Publication number
FR525752A
FR525752A FR525752A FR525752DA FR525752A FR 525752 A FR525752 A FR 525752A FR 525752 A FR525752 A FR 525752A FR 525752D A FR525752D A FR 525752DA FR 525752 A FR525752 A FR 525752A
Authority
FR
France
Prior art keywords
alarm device
electric lamp
theft alarm
theft
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
FR525752A
Other languages
English (en)
Inventor
Quinzio Bagnara
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of FR525752A publication Critical patent/FR525752A/fr
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
    • H01R33/945—Holders with built-in electrical component
    • H01R33/96—Holders with built-in electrical component with switch operated by engagement or disengagement of coupling
    • H01R33/962—Holders with built-in electrical component with switch operated by engagement or disengagement of coupling for screw type coupling devices
FR525752A 1919-10-14 1920-10-09 Dispositif d'alarme contre le vol des lampes électriques Expired FR525752A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT525752X 1919-10-14

Publications (1)

Publication Number Publication Date
FR525752A true FR525752A (fr) 1921-09-27

Family

ID=11277266

Family Applications (1)

Application Number Title Priority Date Filing Date
FR525752A Expired FR525752A (fr) 1919-10-14 1920-10-09 Dispositif d'alarme contre le vol des lampes électriques

Country Status (1)

Country Link
FR (1) FR525752A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3090948A (en) * 1961-10-31 1963-05-21 Norman C Cremer Receptacle plug to protect appliance theft

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3090948A (en) * 1961-10-31 1963-05-21 Norman C Cremer Receptacle plug to protect appliance theft

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