CA204958A - Door operating apparatus - Google Patents

Door operating apparatus

Info

Publication number
CA204958A
CA204958A CA204958A CA204958DA CA204958A CA 204958 A CA204958 A CA 204958A CA 204958 A CA204958 A CA 204958A CA 204958D A CA204958D A CA 204958DA CA 204958 A CA204958 A CA 204958A
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
CA204958A
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 CA204958A publication Critical patent/CA204958A/en
Expired legal-status Critical Current

Links

CA204958A Door operating apparatus Expired CA204958A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA204958T

Publications (1)

Publication Number Publication Date
CA204958A true CA204958A (en) 1920-10-19

Family

ID=35098737

Family Applications (1)

Application Number Title Priority Date Filing Date
CA204958A Expired CA204958A (en) Door operating apparatus

Country Status (1)

Country Link
CA (1) CA204958A (en)

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