FR42229E - Improvements to fire alarm devices - Google Patents

Improvements to fire alarm devices

Info

Publication number
FR42229E
FR42229E FR42229DA FR42229E FR 42229 E FR42229 E FR 42229E FR 42229D A FR42229D A FR 42229DA FR 42229 E FR42229 E FR 42229E
Authority
FR
France
Prior art keywords
fire alarm
alarm devices
devices
fire
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
Maurice Scherle
Placide Berche
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 filed Critical
Application granted granted Critical
Publication of FR42229E publication Critical patent/FR42229E/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
    • G08B17/02—Mechanical actuation of the alarm, e.g. by the breaking of a wire

Landscapes

  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR42229D 1932-08-24 1932-08-24 Improvements to fire alarm devices Expired FR42229E (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR42229T 1932-08-24

Publications (1)

Publication Number Publication Date
FR42229E true FR42229E (en) 1933-06-16

Family

ID=8678312

Family Applications (1)

Application Number Title Priority Date Filing Date
FR42229D Expired FR42229E (en) 1932-08-24 1932-08-24 Improvements to fire alarm devices

Country Status (1)

Country Link
FR (1) FR42229E (en)

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