CA490903A - Protective fire alarm - Google Patents

Protective fire alarm

Info

Publication number
CA490903A
CA490903A CA490903A CA490903DA CA490903A CA 490903 A CA490903 A CA 490903A CA 490903 A CA490903 A CA 490903A CA 490903D A CA490903D A CA 490903DA CA 490903 A CA490903 A CA 490903A
Authority
CA
Canada
Prior art keywords
fire alarm
protective fire
protective
alarm
fire
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
CA490903A
Other languages
French (fr)
Inventor
O. Turner Norbert
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
Publication date
Application granted granted Critical
Publication of CA490903A publication Critical patent/CA490903A/en
Expired legal-status Critical Current

Links

CA490903A Protective fire alarm Expired CA490903A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA490903T

Publications (1)

Publication Number Publication Date
CA490903A true CA490903A (en) 1953-03-03

Family

ID=35630641

Family Applications (1)

Application Number Title Priority Date Filing Date
CA490903A Expired CA490903A (en) Protective fire alarm

Country Status (1)

Country Link
CA (1) CA490903A (en)

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