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CA913661A - Door locking and unlocking apparatus - Google Patents

Door locking and unlocking apparatus

Info

Publication number
CA913661A
CA913661A CA913661A CA913661DA CA913661A CA 913661 A CA913661 A CA 913661A CA 913661 A CA913661 A CA 913661A CA 913661D A CA913661D A CA 913661DA CA 913661 A CA913661 A CA 913661A
Authority
CA
Canada
Prior art keywords
door locking
unlocking apparatus
unlocking
door
locking
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
CA913661A
Inventor
E. Davis Earl
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 CA913661A publication Critical patent/CA913661A/en
Expired legal-status Critical Current

Links

CA913661A Door locking and unlocking apparatus Expired CA913661A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA913661T

Publications (1)

Publication Number Publication Date
CA913661A true CA913661A (en) 1972-10-31

Family

ID=36421200

Family Applications (1)

Application Number Title Priority Date Filing Date
CA913661A Expired CA913661A (en) Door locking and unlocking apparatus

Country Status (1)

Country Link
CA (1) CA913661A (en)

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