CA209821A - Door opening device - Google Patents

Door opening device

Info

Publication number
CA209821A
CA209821A CA209821A CA209821DA CA209821A CA 209821 A CA209821 A CA 209821A CA 209821 A CA209821 A CA 209821A CA 209821D A CA209821D A CA 209821DA CA 209821 A CA209821 A CA 209821A
Authority
CA
Canada
Prior art keywords
door opening
opening device
door
opening
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
CA209821A
Other languages
French (fr)
Inventor
Balazs John
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 CA209821A publication Critical patent/CA209821A/en
Expired legal-status Critical Current

Links

CA209821A Door opening device Expired CA209821A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA209821T

Publications (1)

Publication Number Publication Date
CA209821A true CA209821A (en) 1921-03-29

Family

ID=35103600

Family Applications (1)

Application Number Title Priority Date Filing Date
CA209821A Expired CA209821A (en) Door opening device

Country Status (1)

Country Link
CA (1) CA209821A (en)

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