FR401544A - Warning device for the opening of doors, shutters, shutters and other closing devices - Google Patents

Warning device for the opening of doors, shutters, shutters and other closing devices

Info

Publication number
FR401544A
FR401544A FR401544DA FR401544A FR 401544 A FR401544 A FR 401544A FR 401544D A FR401544D A FR 401544DA FR 401544 A FR401544 A FR 401544A
Authority
FR
France
Prior art keywords
shutters
doors
opening
warning device
closing devices
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
Louis Brunot
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.)
LOUIS BRUNOT
Original Assignee
LOUIS BRUNOT
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 LOUIS BRUNOT filed Critical LOUIS BRUNOT
Application granted granted Critical
Publication of FR401544A publication Critical patent/FR401544A/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
    • E05B45/02—Alarm locks with mechanically-operated bells

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR401544D 1908-07-29 1908-07-29 Warning device for the opening of doors, shutters, shutters and other closing devices Expired FR401544A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR401544T 1908-07-29

Publications (1)

Publication Number Publication Date
FR401544A true FR401544A (en) 1909-09-01

Family

ID=1446343

Family Applications (1)

Application Number Title Priority Date Filing Date
FR401544D Expired FR401544A (en) 1908-07-29 1908-07-29 Warning device for the opening of doors, shutters, shutters and other closing devices

Country Status (1)

Country Link
FR (1) FR401544A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2515517A (en) * 1949-05-27 1950-07-18 Abe April Lock-alarm combination

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2515517A (en) * 1949-05-27 1950-07-18 Abe April Lock-alarm combination

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