CA331333A - Vertically operated door - Google Patents

Vertically operated door

Info

Publication number
CA331333A
CA331333A CA331333A CA331333DA CA331333A CA 331333 A CA331333 A CA 331333A CA 331333 A CA331333 A CA 331333A CA 331333D A CA331333D A CA 331333DA CA 331333 A CA331333 A CA 331333A
Authority
CA
Canada
Prior art keywords
operated door
vertically operated
door
operated
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
CA331333A
Other languages
French (fr)
Inventor
William Hall 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.)
RICHARDS-WILCOX CANADIAN Co Ltd
Original Assignee
RICHARDS-WILCOX CANADIAN Co Ltd
Publication date
Application granted granted Critical
Publication of CA331333A publication Critical patent/CA331333A/en
Expired legal-status Critical Current

Links

CA331333A Vertically operated door Expired CA331333A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA331333T

Publications (1)

Publication Number Publication Date
CA331333A true CA331333A (en) 1933-03-28

Family

ID=35293703

Family Applications (1)

Application Number Title Priority Date Filing Date
CA331333A Expired CA331333A (en) Vertically operated door

Country Status (1)

Country Link
CA (1) CA331333A (en)

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