FR339807A - Electric alarm preventing break-ins - Google Patents

Electric alarm preventing break-ins

Info

Publication number
FR339807A
FR339807A FR339807DA FR339807A FR 339807 A FR339807 A FR 339807A FR 339807D A FR339807D A FR 339807DA FR 339807 A FR339807 A FR 339807A
Authority
FR
France
Prior art keywords
ins
electric alarm
preventing break
alarm preventing
break
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
Marc-Emilien Nivert
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.)
MARC EMILIEN NIVERT
Original Assignee
MARC EMILIEN NIVERT
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 MARC EMILIEN NIVERT filed Critical MARC EMILIEN NIVERT
Application granted granted Critical
Publication of FR339807A publication Critical patent/FR339807A/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)
FR339807D 1904-01-21 1904-01-21 Electric alarm preventing break-ins Expired FR339807A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR339807T 1904-01-21

Publications (1)

Publication Number Publication Date
FR339807A true FR339807A (en) 1904-06-20

Family

ID=1388962

Family Applications (1)

Application Number Title Priority Date Filing Date
FR339807D Expired FR339807A (en) 1904-01-21 1904-01-21 Electric alarm preventing break-ins

Country Status (1)

Country Link
FR (1) FR339807A (en)

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