CA478023A - Fire-resistant door frames - Google Patents

Fire-resistant door frames

Info

Publication number
CA478023A
CA478023A CA478023A CA478023DA CA478023A CA 478023 A CA478023 A CA 478023A CA 478023 A CA478023 A CA 478023A CA 478023D A CA478023D A CA 478023DA CA 478023 A CA478023 A CA 478023A
Authority
CA
Canada
Prior art keywords
fire
door frames
resistant door
resistant
frames
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
CA478023A
Other languages
French (fr)
Inventor
J. Bremer Frederick
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.)
Mosler Safe Co
Original Assignee
Mosler Safe Co
Publication date
Application granted granted Critical
Publication of CA478023A publication Critical patent/CA478023A/en
Expired legal-status Critical Current

Links

CA478023A Fire-resistant door frames Expired CA478023A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA478023T

Publications (1)

Publication Number Publication Date
CA478023A true CA478023A (en) 1951-10-23

Family

ID=35617675

Family Applications (1)

Application Number Title Priority Date Filing Date
CA478023A Expired CA478023A (en) Fire-resistant door frames

Country Status (1)

Country Link
CA (1) CA478023A (en)

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