CA208257A - Door operating apparatus - Google Patents

Door operating apparatus

Info

Publication number
CA208257A
CA208257A CA208257A CA208257DA CA208257A CA 208257 A CA208257 A CA 208257A CA 208257 A CA208257 A CA 208257A CA 208257D A CA208257D A CA 208257DA CA 208257 A CA208257 A CA 208257A
Authority
CA
Canada
Prior art keywords
operating apparatus
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
CA208257A
Other languages
French (fr)
Inventor
R. Forman Paris
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.)
National Pneumatic Co Inc
Original Assignee
National Pneumatic Co Inc
Publication date
Application granted granted Critical
Publication of CA208257A publication Critical patent/CA208257A/en
Expired legal-status Critical Current

Links

CA208257A Door operating apparatus Expired CA208257A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA208257T

Publications (1)

Publication Number Publication Date
CA208257A true CA208257A (en) 1921-02-01

Family

ID=35102036

Family Applications (1)

Application Number Title Priority Date Filing Date
CA208257A Expired CA208257A (en) Door operating apparatus

Country Status (1)

Country Link
CA (1) CA208257A (en)

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