FR874474A - Device allowing simultaneous control of the timer and the opening of one or more doors - Google Patents

Device allowing simultaneous control of the timer and the opening of one or more doors

Info

Publication number
FR874474A
FR874474A FR874474DA FR874474A FR 874474 A FR874474 A FR 874474A FR 874474D A FR874474D A FR 874474DA FR 874474 A FR874474 A FR 874474A
Authority
FR
France
Prior art keywords
doors
timer
opening
device allowing
simultaneous control
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
Marcel Martin
Lucien Sol
Arthur Sternberg
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.)
Alkan & Sinay Ets
Original Assignee
Alkan & Sinay Ets
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 Alkan & Sinay Ets filed Critical Alkan & Sinay Ets
Application granted granted Critical
Publication of FR874474A publication Critical patent/FR874474A/en
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B47/00—Operating or controlling locks or other fastening devices by electric or magnetic means
FR874474D 1941-08-02 1941-08-02 Device allowing simultaneous control of the timer and the opening of one or more doors Expired FR874474A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR874474T 1941-08-02

Publications (1)

Publication Number Publication Date
FR874474A true FR874474A (en) 1942-08-07

Family

ID=9359708

Family Applications (1)

Application Number Title Priority Date Filing Date
FR874474D Expired FR874474A (en) 1941-08-02 1941-08-02 Device allowing simultaneous control of the timer and the opening of one or more doors

Country Status (1)

Country Link
FR (1) FR874474A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2729062A1 (en) * 1976-06-30 1978-01-05 Security Patrols Co SECURITY LOCKING SYSTEM

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2729062A1 (en) * 1976-06-30 1978-01-05 Security Patrols Co SECURITY LOCKING SYSTEM

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