FR434130A - Appareil de signal - Google Patents

Appareil de signal

Info

Publication number
FR434130A
FR434130A FR434130DA FR434130A FR 434130 A FR434130 A FR 434130A FR 434130D A FR434130D A FR 434130DA FR 434130 A FR434130 A FR 434130A
Authority
FR
France
Prior art keywords
signal device
signal
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)
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.)
SAFE VAULT AND PROT Co
Original Assignee
SAFE VAULT AND PROT Co
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 SAFE VAULT AND PROT Co filed Critical SAFE VAULT AND PROT Co
Application granted granted Critical
Publication of FR434130A publication Critical patent/FR434130A/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
    • G08B13/20—Actuation by change of fluid pressure

Landscapes

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
FR434130D 1911-09-12 1911-09-12 Appareil de signal Expired FR434130A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR434130T 1911-09-12

Publications (1)

Publication Number Publication Date
FR434130A true FR434130A (fr) 1912-01-25

Family

ID=1476062

Family Applications (1)

Application Number Title Priority Date Filing Date
FR434130D Expired FR434130A (fr) 1911-09-12 1911-09-12 Appareil de signal

Country Status (1)

Country Link
FR (1) FR434130A (fr)

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