CA285967A - Door operating mechanism - Google Patents

Door operating mechanism

Info

Publication number
CA285967A
CA285967A CA285967A CA285967DA CA285967A CA 285967 A CA285967 A CA 285967A CA 285967 A CA285967 A CA 285967A CA 285967D A CA285967D A CA 285967DA CA 285967 A CA285967 A CA 285967A
Authority
CA
Canada
Prior art keywords
operating mechanism
door operating
door
operating
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
CA285967A
Other languages
French (fr)
Inventor
H. Henricks Harold
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 CA285967A publication Critical patent/CA285967A/en
Expired legal-status Critical Current

Links

CA285967A Door operating mechanism Expired CA285967A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA285967T

Publications (1)

Publication Number Publication Date
CA285967A true CA285967A (en) 1928-12-25

Family

ID=35222779

Family Applications (1)

Application Number Title Priority Date Filing Date
CA285967A Expired CA285967A (en) Door operating mechanism

Country Status (1)

Country Link
CA (1) CA285967A (en)

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