FR406231A - Avertisseur pour portes - Google Patents

Avertisseur pour portes

Info

Publication number
FR406231A
FR406231A FR406231DA FR406231A FR 406231 A FR406231 A FR 406231A FR 406231D A FR406231D A FR 406231DA FR 406231 A FR406231 A FR 406231A
Authority
FR
France
Prior art keywords
door alarm
alarm
door
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
Maurice Boye
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.)
MAURICE BOYE
Original Assignee
MAURICE BOYE
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 MAURICE BOYE filed Critical MAURICE BOYE
Application granted granted Critical
Publication of FR406231A publication Critical patent/FR406231A/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING SYSTEMS, e.g. PERSONAL CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00—Burglar, theft or intruder alarms
    • G08B13/02—Mechanical actuation
    • G08B13/06—Mechanical actuation by tampering with fastening

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR406231D 1909-08-18 1909-08-18 Avertisseur pour portes Expired FR406231A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR406231T 1909-08-18

Publications (1)

Publication Number Publication Date
FR406231A true FR406231A (fr) 1910-01-25

Family

ID=1450646

Family Applications (1)

Application Number Title Priority Date Filing Date
FR406231D Expired FR406231A (fr) 1909-08-18 1909-08-18 Avertisseur pour portes

Country Status (1)

Country Link
FR (1) FR406231A (fr)

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