CA873492A - Protected window - Google Patents

Protected window

Info

Publication number
CA873492A
CA873492A CA873492A CA873492DA CA873492A CA 873492 A CA873492 A CA 873492A CA 873492 A CA873492 A CA 873492A CA 873492D A CA873492D A CA 873492DA CA 873492 A CA873492 A CA 873492A
Authority
CA
Canada
Prior art keywords
protected window
protected
window
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
CA873492A
Inventor
Provost Claude
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.)
J A PROVOST Inc
Original Assignee
J A PROVOST Inc
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 J A PROVOST Inc filed Critical J A PROVOST Inc
Application granted granted Critical
Publication of CA873492A publication Critical patent/CA873492A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00—Burglar, theft or intruder alarms
    • G08B13/02—Mechanical actuation
    • G08B13/04—Mechanical actuation by breaking of glass

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
CA873492A 1969-07-28 1969-07-28 Protected window Expired CA873492A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA58126 1969-07-28

Publications (1)

Publication Number Publication Date
CA873492A true CA873492A (en) 1971-06-15

Family

ID=4085505

Family Applications (1)

Application Number Title Priority Date Filing Date
CA873492A Expired CA873492A (en) 1969-07-28 1969-07-28 Protected window

Country Status (1)

Country Link
CA (1) CA873492A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0033857B1 (en) * 1980-02-01 1984-03-21 VEGLA Vereinigte Glaswerke GmbH Multilayered alarm glass plate
DE3637989A1 (en) * 1986-11-07 1988-05-19 Flachglas Ag ALARM GLASS PANEL FOR A WINDOW OR THE LIKE

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0033857B1 (en) * 1980-02-01 1984-03-21 VEGLA Vereinigte Glaswerke GmbH Multilayered alarm glass plate
DE3637989A1 (en) * 1986-11-07 1988-05-19 Flachglas Ag ALARM GLASS PANEL FOR A WINDOW OR THE LIKE
AT400202B (en) * 1986-11-07 1995-11-27 Flachglas Ag ALARM GLASS PANEL FOR A WINDOW OR THE LIKE.

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