FR524172A - Security alarm - Google Patents

Security alarm

Info

Publication number
FR524172A
FR524172A FR524172A FR524172DA FR524172A FR 524172 A FR524172 A FR 524172A FR 524172 A FR524172 A FR 524172A FR 524172D A FR524172D A FR 524172DA FR 524172 A FR524172 A FR 524172A
Authority
FR
France
Prior art keywords
security alarm
alarm
security
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
FR524172A
Other languages
French (fr)
Inventor
Victor Mancel
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 FR524172A publication Critical patent/FR524172A/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
    • G08B13/22—Electrical actuation

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR524172A 1919-09-03 1919-09-03 Security alarm Expired FR524172A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR524172T 1919-09-03

Publications (1)

Publication Number Publication Date
FR524172A true FR524172A (en) 1921-08-31

Family

ID=8919120

Family Applications (1)

Application Number Title Priority Date Filing Date
FR524172A Expired FR524172A (en) 1919-09-03 1919-09-03 Security alarm

Country Status (1)

Country Link
FR (1) FR524172A (en)

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