BE481770A - - Google Patents

Info

Publication number
BE481770A
BE481770A BE481770DA BE481770A BE 481770 A BE481770 A BE 481770A BE 481770D A BE481770D A BE 481770DA BE 481770 A BE481770 A BE 481770A
Authority
BE
Belgium
Application number
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.)
Publication of BE481770A publication Critical patent/BE481770A/xx

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)
  • Alarm Systems (AREA)
  • Fire Alarms (AREA)
BE481770D 1947-02-21 BE481770A (enrdf_load_html_response)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US730069A US2439502A (en) 1947-02-21 1947-02-21 Automatic fire alarm system

Publications (1)

Publication Number Publication Date
BE481770A true BE481770A (enrdf_load_html_response)

Family

ID=24933784

Family Applications (1)

Application Number Title Priority Date Filing Date
BE481770D BE481770A (enrdf_load_html_response) 1947-02-21

Country Status (2)

Country Link
US (1) US2439502A (enrdf_load_html_response)
BE (1) BE481770A (enrdf_load_html_response)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2632155A (en) * 1947-11-07 1953-03-17 Anthony H Lamb Combination radio and fire alarm
US2615080A (en) * 1948-12-02 1952-10-21 Byron Jackson Co Sound indicator and fluid level indicator for wells
US2605342A (en) * 1948-12-10 1952-07-29 Sherman D Spurling Fire alarm system
US2559372A (en) * 1948-12-10 1951-07-03 Howard A Rike Thermostatic switch
US2642511A (en) * 1949-03-21 1953-06-16 Howard A Rike Thermal-sensitive actuator for fire alarms
US2648059A (en) * 1949-08-25 1953-08-04 Kaiser Frazer Corp Electrical indicating means
US2696524A (en) * 1949-12-23 1954-12-07 Jr Ross D Huntington Automatic fire and burglar alarm system for telephone subscribers
US2704814A (en) * 1951-07-23 1955-03-22 White Jesse Spruce Circuit makers and breakers for signal or alarm circuits
US3801971A (en) * 1971-12-17 1974-04-02 J Stendig Telephone alarm system
US3786502A (en) * 1971-12-17 1974-01-15 J Stendig Security system

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US724093A (en) * 1902-02-14 1903-03-31 Benjamin O Fox Combined telephone, signal, burglar, and fire alarm.
US1685853A (en) * 1926-08-17 1928-10-02 Amedee S Mazzur Signal system
US2040309A (en) * 1933-06-02 1936-05-12 Hayden Kenneth Le Roy Protective signal system

Also Published As

Publication number Publication date
US2439502A (en) 1948-04-13

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