CA296065A - Door-controlling device - Google Patents

Door-controlling device

Info

Publication number
CA296065A
CA296065A CA296065A CA296065DA CA296065A CA 296065 A CA296065 A CA 296065A CA 296065 A CA296065 A CA 296065A CA 296065D A CA296065D A CA 296065DA CA 296065 A CA296065 A CA 296065A
Authority
CA
Canada
Prior art keywords
door
controlling device
controlling
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
CA296065A
Other languages
French (fr)
Inventor
John Swallow William
Laevens Edward
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.)
Individual
Original Assignee
Individual
Publication date
Application granted granted Critical
Publication of CA296065A publication Critical patent/CA296065A/en
Expired legal-status Critical Current

Links

CA296065A Door-controlling device Expired CA296065A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA296065T

Publications (1)

Publication Number Publication Date
CA296065A true CA296065A (en) 1929-12-24

Family

ID=35233383

Family Applications (1)

Application Number Title Priority Date Filing Date
CA296065A Expired CA296065A (en) Door-controlling device

Country Status (1)

Country Link
CA (1) CA296065A (en)

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