FR621453A - Alarm device for doors and the like - Google Patents

Alarm device for doors and the like

Info

Publication number
FR621453A
FR621453A FR621453DA FR621453A FR 621453 A FR621453 A FR 621453A FR 621453D A FR621453D A FR 621453DA FR 621453 A FR621453 A FR 621453A
Authority
FR
France
Prior art keywords
doors
alarm device
alarm
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
Peter Meerkamp
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 FR621453A publication Critical patent/FR621453A/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
FR621453D 1926-08-10 1926-08-10 Alarm device for doors and the like Expired FR621453A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR621453T 1926-08-10

Publications (1)

Publication Number Publication Date
FR621453A true FR621453A (en) 1927-05-12

Family

ID=8985129

Family Applications (1)

Application Number Title Priority Date Filing Date
FR621453D Expired FR621453A (en) 1926-08-10 1926-08-10 Alarm device for doors and the like

Country Status (2)

Country Link
FR (1) FR621453A (en)
NL (1) NL17099C (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3444546A (en) * 1966-07-28 1969-05-13 Gen Alarm Corp Protection system
US3569950A (en) * 1968-04-29 1971-03-09 Paul L Betz Lock-alarm combination
US5296841A (en) * 1992-09-21 1994-03-22 Alan Vormbrock Chain guard alarm apparatus

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3444546A (en) * 1966-07-28 1969-05-13 Gen Alarm Corp Protection system
US3569950A (en) * 1968-04-29 1971-03-09 Paul L Betz Lock-alarm combination
US5296841A (en) * 1992-09-21 1994-03-22 Alan Vormbrock Chain guard alarm apparatus

Also Published As

Publication number Publication date
NL17099C (en)

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