CA424579A - Door mechanism - Google Patents

Door mechanism

Info

Publication number
CA424579A
CA424579A CA424579A CA424579DA CA424579A CA 424579 A CA424579 A CA 424579A CA 424579 A CA424579 A CA 424579A CA 424579D A CA424579D A CA 424579DA CA 424579 A CA424579 A CA 424579A
Authority
CA
Canada
Prior art keywords
door mechanism
door
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
CA424579A
Other languages
French (fr)
Inventor
Ditchfield Frank
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.)
Youngstown Steel Door Co
Original Assignee
Youngstown Steel Door Co
Publication date
Application granted granted Critical
Publication of CA424579A publication Critical patent/CA424579A/en
Expired legal-status Critical Current

Links

CA424579A Door mechanism Expired CA424579A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA424579T

Publications (1)

Publication Number Publication Date
CA424579A true CA424579A (en) 1944-12-19

Family

ID=35535594

Family Applications (1)

Application Number Title Priority Date Filing Date
CA424579A Expired CA424579A (en) Door mechanism

Country Status (1)

Country Link
CA (1) CA424579A (en)

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