CA398063A - Door opening device - Google Patents

Door opening device

Info

Publication number
CA398063A
CA398063A CA398063A CA398063DA CA398063A CA 398063 A CA398063 A CA 398063A CA 398063 A CA398063 A CA 398063A CA 398063D A CA398063D A CA 398063DA CA 398063 A CA398063 A CA 398063A
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
CA398063A
Other languages
French (fr)
Inventor
I. Schonitzer Rudolph
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 CA398063A publication Critical patent/CA398063A/en
Expired legal-status Critical Current

Links

CA398063A Door opening device Expired CA398063A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA398063T

Publications (1)

Publication Number Publication Date
CA398063A true CA398063A (en) 1941-07-22

Family

ID=35408568

Family Applications (1)

Application Number Title Priority Date Filing Date
CA398063A Expired CA398063A (en) Door opening device

Country Status (1)

Country Link
CA (1) CA398063A (en)

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