CA486916A - Automatic door controlling mechanism - Google Patents

Automatic door controlling mechanism

Info

Publication number
CA486916A
CA486916A CA486916A CA486916DA CA486916A CA 486916 A CA486916 A CA 486916A CA 486916 A CA486916 A CA 486916A CA 486916D A CA486916D A CA 486916DA CA 486916 A CA486916 A CA 486916A
Authority
CA
Canada
Prior art keywords
automatic door
controlling mechanism
door controlling
automatic
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
CA486916A
Other languages
French (fr)
Inventor
Webster Warren
E. Berk Kenneth
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.)
Joyce Cridland Co
Original Assignee
Joyce Cridland Co
Publication date
Application granted granted Critical
Publication of CA486916A publication Critical patent/CA486916A/en
Expired legal-status Critical Current

Links

CA486916A Automatic door controlling mechanism Expired CA486916A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA486916T

Publications (1)

Publication Number Publication Date
CA486916A true CA486916A (en) 1952-09-30

Family

ID=35626632

Family Applications (1)

Application Number Title Priority Date Filing Date
CA486916A Expired CA486916A (en) Automatic door controlling mechanism

Country Status (1)

Country Link
CA (1) CA486916A (en)

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