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CA537427A - Roof hatch - Google Patents

Roof hatch

Info

Publication number
CA537427A
CA537427A CA537427A CA537427DA CA537427A CA 537427 A CA537427 A CA 537427A CA 537427 A CA537427 A CA 537427A CA 537427D A CA537427D A CA 537427DA CA 537427 A CA537427 A CA 537427A
Authority
CA
Canada
Prior art keywords
roof hatch
hatch
roof
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
CA537427A
Other languages
French (fr)
Inventor
L. Urquhart Thornton
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.)
BYRNE DOORS
Original Assignee
BYRNE DOORS
Publication date
Application granted granted Critical
Publication of CA537427A publication Critical patent/CA537427A/en
Expired legal-status Critical Current

Links

CA537427A Roof hatch Expired CA537427A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA537427T

Publications (1)

Publication Number Publication Date
CA537427A true CA537427A (en) 1957-02-26

Family

ID=35692061

Family Applications (1)

Application Number Title Priority Date Filing Date
CA537427A Expired CA537427A (en) Roof hatch

Country Status (1)

Country Link
CA (1) CA537427A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3516198A (en) * 1969-01-21 1970-06-23 Robert J Lyons Emergency release latch mechanism for smoke hatch
US3821923A (en) * 1971-09-15 1974-07-02 P Dauge Smoke vent

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3516198A (en) * 1969-01-21 1970-06-23 Robert J Lyons Emergency release latch mechanism for smoke hatch
US3821923A (en) * 1971-09-15 1974-07-02 P Dauge Smoke vent

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