CA263671A - Dispositif a ouvrir les portes - Google Patents

Dispositif a ouvrir les portes

Info

Publication number
CA263671A
CA263671A CA263671A CA263671DA CA263671A CA 263671 A CA263671 A CA 263671A CA 263671 A CA263671 A CA 263671A CA 263671D A CA263671D A CA 263671DA CA 263671 A CA263671 A CA 263671A
Authority
CA
Canada
Prior art keywords
door opener
opener
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
CA263671A
Other languages
English (en)
Inventor
G. Petersen William
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.)
GEORGE WILLIAM GUIDE
WILLIAM GEORGE PETERSEN
Original Assignee
GEORGE WILLIAM GUIDE
WILLIAM GEORGE PETERSEN
Publication date
Application granted granted Critical
Publication of CA263671A publication Critical patent/CA263671A/fr
Expired legal-status Critical Current

Links

CA263671A Dispositif a ouvrir les portes Expired CA263671A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA263671T

Publications (1)

Publication Number Publication Date
CA263671A true CA263671A (fr) 1926-08-17

Family

ID=35191624

Family Applications (1)

Application Number Title Priority Date Filing Date
CA263671A Expired CA263671A (fr) Dispositif a ouvrir les portes

Country Status (1)

Country Link
CA (1) CA263671A (fr)

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