FR394078A - Mechanical warning device for door opening and break-in attempts - Google Patents

Mechanical warning device for door opening and break-in attempts

Info

Publication number
FR394078A
FR394078A FR394078DA FR394078A FR 394078 A FR394078 A FR 394078A FR 394078D A FR394078D A FR 394078DA FR 394078 A FR394078 A FR 394078A
Authority
FR
France
Prior art keywords
attempts
break
door opening
warning device
mechanical warning
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
Fernand Meiers
Emile Maquard
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.)
EMILE MAQUARD
FERNAND MEIERS
Original Assignee
EMILE MAQUARD
FERNAND MEIERS
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 EMILE MAQUARD, FERNAND MEIERS filed Critical EMILE MAQUARD
Application granted granted Critical
Publication of FR394078A publication Critical patent/FR394078A/en
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G08SIGNALLING
    • G08BSIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00Burglar, theft or intruder alarms
    • G08B13/02Mechanical actuation
    • G08B13/08Mechanical actuation by opening, e.g. of door, of window, of drawer, of shutter, of curtain, of blind

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR394078D 1908-09-09 1908-09-09 Mechanical warning device for door opening and break-in attempts Expired FR394078A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR394078T 1908-09-09

Publications (1)

Publication Number Publication Date
FR394078A true FR394078A (en) 1909-01-14

Family

ID=1439344

Family Applications (1)

Application Number Title Priority Date Filing Date
FR394078D Expired FR394078A (en) 1908-09-09 1908-09-09 Mechanical warning device for door opening and break-in attempts

Country Status (1)

Country Link
FR (1) FR394078A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6156804A (en) * 1998-02-09 2000-12-05 L'oreal Use of a microdispersion of wax in a cosmetic or dermatological composition

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6156804A (en) * 1998-02-09 2000-12-05 L'oreal Use of a microdispersion of wax in a cosmetic or dermatological composition

Similar Documents

Publication Publication Date Title
FR394078A (en) Mechanical warning device for door opening and break-in attempts
FR364243A (en) Automatic and safety hinge for unlimited closing and opening of doors and windows
FR401544A (en) Warning device for the opening of doors, shutters, shutters and other closing devices
FR386086A (en) Electric alarm device for door locks
FR354200A (en) Alarm device for door locks
FR378748A (en) Device for opening and closing doors remotely
FR374854A (en) Stop device for door locks
FR392586A (en) Device for keeping doors closed
FR394297A (en) Device for automatically opening doors, specially designed for theaters and other premises
FR388796A (en) Door lock warning device for apartments or other premises
FR392135A (en) Closing device for doors
FR383126A (en) Mechanism for opening and closing doors
CH44158A (en) Warning of unlawful opening of a door
FR355574A (en) Door opening alarm
FR397595A (en) Safety device for doors
FR396707A (en) Device for opening and closing skylights
FR395097A (en) Door opens and closes automatically
FR371403A (en) Device for automatically opening and closing elevator doors
FR378832A (en) Alarm bell for doors
FR389280A (en) Sliding door guiding and stopping device
FR382245A (en) Spring cage closure for windows, doors and shutters
FR374113A (en) System allowing full opening of four-leaf doors
FR399376A (en) Door burglar alarm
FR411125A (en) Device for opening and closing the lower shutter doors of vertical chambers or retorts
FR376841A (en) Device for opening and closing doors