FR525483A - Automatic alarm in case of fire - Google Patents

Automatic alarm in case of fire

Info

Publication number
FR525483A
FR525483A FR525483A FR525483DA FR525483A FR 525483 A FR525483 A FR 525483A FR 525483 A FR525483 A FR 525483A FR 525483D A FR525483D A FR 525483DA FR 525483 A FR525483 A FR 525483A
Authority
FR
France
Prior art keywords
fire
case
automatic alarm
alarm
automatic
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
FR525483A
Other languages
French (fr)
Inventor
Francois Lacroix
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 FR525483A publication Critical patent/FR525483A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B17/00—Fire alarms; Alarms responsive to explosion
    • G08B17/06—Electric actuation of the alarm, e.g. using a thermally-operated switch

Landscapes

  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR525483A 1920-10-01 1920-10-01 Automatic alarm in case of fire Expired FR525483A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR525483T 1920-10-01

Publications (1)

Publication Number Publication Date
FR525483A true FR525483A (en) 1921-09-22

Family

ID=8920103

Family Applications (1)

Application Number Title Priority Date Filing Date
FR525483A Expired FR525483A (en) 1920-10-01 1920-10-01 Automatic alarm in case of fire

Country Status (1)

Country Link
FR (1) FR525483A (en)

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