CA612938A - Door structures - Google Patents

Door structures

Info

Publication number
CA612938A
CA612938A CA612938A CA612938DA CA612938A CA 612938 A CA612938 A CA 612938A CA 612938 A CA612938 A CA 612938A CA 612938D A CA612938D A CA 612938DA CA 612938 A CA612938 A CA 612938A
Authority
CA
Canada
Prior art keywords
door structures
door
structures
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
CA612938A
Inventor
Walter R. Denford
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.)
SUNSHINE WATERLOO Co Ltd
Original Assignee
SUNSHINE WATERLOO Co Ltd
Publication date
Application granted granted Critical
Publication of CA612938A publication Critical patent/CA612938A/en
Expired legal-status Critical Current

Links

CA612938A Door structures Expired CA612938A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA612938T

Publications (1)

Publication Number Publication Date
CA612938A true CA612938A (en) 1961-01-17

Family

ID=35855257

Family Applications (1)

Application Number Title Priority Date Filing Date
CA612938A Expired CA612938A (en) Door structures

Country Status (1)

Country Link
CA (1) CA612938A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3680259A (en) * 1971-06-25 1972-08-01 Donald D Andresen Assembled overhead door unit
US4016920A (en) * 1975-05-23 1977-04-12 United States Steel Corporation Flexible guiding track and release mechanism for an overhead rolling door assembly
CN117005780A (en) * 2023-10-07 2023-11-07 福建省日木新型建材科技有限公司 Metal door and window and manufacturing method thereof

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3680259A (en) * 1971-06-25 1972-08-01 Donald D Andresen Assembled overhead door unit
US4016920A (en) * 1975-05-23 1977-04-12 United States Steel Corporation Flexible guiding track and release mechanism for an overhead rolling door assembly
CN117005780A (en) * 2023-10-07 2023-11-07 福建省日木新型建材科技有限公司 Metal door and window and manufacturing method thereof
CN117005780B (en) * 2023-10-07 2023-12-12 福建省日木新型建材科技有限公司 Metal door and window and manufacturing method thereof

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