CA648857A - Alarm system - Google Patents

Alarm system

Info

Publication number
CA648857A
CA648857A CA648857A CA648857DA CA648857A CA 648857 A CA648857 A CA 648857A CA 648857 A CA648857 A CA 648857A CA 648857D A CA648857D A CA 648857DA CA 648857 A CA648857 A CA 648857A
Authority
CA
Canada
Prior art keywords
alarm system
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
CA648857A
Inventor
B. Hube Arthur
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.)
American District Telegraph Co
Original Assignee
American District Telegraph Co
Publication date
Application granted granted Critical
Publication of CA648857A publication Critical patent/CA648857A/en
Expired legal-status Critical Current

Links

CA648857A Alarm system Expired CA648857A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA648857T

Publications (1)

Publication Number Publication Date
CA648857A true CA648857A (en) 1962-09-18

Family

ID=35937503

Family Applications (1)

Application Number Title Priority Date Filing Date
CA648857A Expired CA648857A (en) Alarm system

Country Status (1)

Country Link
CA (1) CA648857A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3441924A (en) * 1965-05-07 1969-04-29 Cecil Herbert Peek Window and alarm apparatus incorporating same
US4575610A (en) * 1984-03-12 1986-03-11 Cincinnati Milacron Inc. Laser shielding device

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3441924A (en) * 1965-05-07 1969-04-29 Cecil Herbert Peek Window and alarm apparatus incorporating same
US4575610A (en) * 1984-03-12 1986-03-11 Cincinnati Milacron Inc. Laser shielding device
EP0157221B1 (en) * 1984-03-12 1989-08-30 Cincinnati Milacron Inc. Laser shielding device

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