FR447009A - Alarm device - Google Patents

Alarm device

Info

Publication number
FR447009A
FR447009A FR447009DA FR447009A FR 447009 A FR447009 A FR 447009A FR 447009D A FR447009D A FR 447009DA FR 447009 A FR447009 A FR 447009A
Authority
FR
France
Prior art keywords
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
Charles Senn
Eugen Kuhn
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of FR447009A publication Critical patent/FR447009A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00—Burglar, theft or intruder alarms
    • G08B13/02—Mechanical actuation
    • G08B13/06—Mechanical actuation by tampering with fastening

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR447009D 1912-06-19 1912-06-19 Alarm device Expired FR447009A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR447009T 1912-06-19

Publications (1)

Publication Number Publication Date
FR447009A true FR447009A (en) 1912-12-20

Family

ID=1487740

Family Applications (1)

Application Number Title Priority Date Filing Date
FR447009D Expired FR447009A (en) 1912-06-19 1912-06-19 Alarm device

Country Status (1)

Country Link
FR (1) FR447009A (en)

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