FR498652A - Appareil d'alarme - Google Patents

Appareil d'alarme

Info

Publication number
FR498652A
FR498652A FR498652DA FR498652A FR 498652 A FR498652 A FR 498652A FR 498652D A FR498652D A FR 498652DA FR 498652 A FR498652 A FR 498652A
Authority
FR
France
Prior art keywords
alarm device
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
English (en)
Inventor
Aage Halfdan Joergensen
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 FR498652A publication Critical patent/FR498652A/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING SYSTEMS, e.g. PERSONAL CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B23/00—Alarms responsive to unspecified undesired or abnormal conditions

Landscapes

  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR498652D 1919-04-25 1919-04-25 Appareil d'alarme Expired FR498652A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR498652T 1919-04-25

Publications (1)

Publication Number Publication Date
FR498652A true FR498652A (fr) 1920-01-20

Family

ID=1533831

Family Applications (1)

Application Number Title Priority Date Filing Date
FR498652D Expired FR498652A (fr) 1919-04-25 1919-04-25 Appareil d'alarme

Country Status (1)

Country Link
FR (1) FR498652A (fr)

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