FR344792A - Electrical safety device against the clandestine opening of closings of doors, windows, etc. - Google Patents

Electrical safety device against the clandestine opening of closings of doors, windows, etc.

Info

Publication number
FR344792A
FR344792A FR344792DA FR344792A FR 344792 A FR344792 A FR 344792A FR 344792D A FR344792D A FR 344792DA FR 344792 A FR344792 A FR 344792A
Authority
FR
France
Prior art keywords
clandestine
closings
doors
windows
opening
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
Joseph Levin
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 FR344792A publication Critical patent/FR344792A/en
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B45/00—Alarm locks
    • E05B45/06—Electric alarm locks
    • E05B45/08—Electric alarm locks with contact making inside the lock or in the striking plate
    • E05B45/083—Electric alarm locks with contact making inside the lock or in the striking plate with contact making either in the striking plate or by movement of the bolt relative to the striking plate
FR344792D 1904-07-13 1904-07-13 Electrical safety device against the clandestine opening of closings of doors, windows, etc. Expired FR344792A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR344792T 1904-07-13

Publications (1)

Publication Number Publication Date
FR344792A true FR344792A (en) 1904-11-12

Family

ID=1393642

Family Applications (1)

Application Number Title Priority Date Filing Date
FR344792D Expired FR344792A (en) 1904-07-13 1904-07-13 Electrical safety device against the clandestine opening of closings of doors, windows, etc.

Country Status (1)

Country Link
FR (1) FR344792A (en)

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