FR459202A - Improvements to fire alarms - Google Patents

Improvements to fire alarms

Info

Publication number
FR459202A
FR459202A FR459202DA FR459202A FR 459202 A FR459202 A FR 459202A FR 459202D A FR459202D A FR 459202DA FR 459202 A FR459202 A FR 459202A
Authority
FR
France
Prior art keywords
fire alarms
alarms
fire
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
John Stevens
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 FR459202A publication Critical patent/FR459202A/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)
FR459202D 1913-06-13 1913-06-13 Improvements to fire alarms Expired FR459202A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR459202T 1913-06-13

Publications (1)

Publication Number Publication Date
FR459202A true FR459202A (en) 1913-10-30

Family

ID=1498714

Family Applications (1)

Application Number Title Priority Date Filing Date
FR459202D Expired FR459202A (en) 1913-06-13 1913-06-13 Improvements to fire alarms

Country Status (1)

Country Link
FR (1) FR459202A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1994016299A1 (en) * 1992-12-31 1994-07-21 Symbiosis Corporation Temperature cycle counter

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1994016299A1 (en) * 1992-12-31 1994-07-21 Symbiosis Corporation Temperature cycle counter

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