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CA969992A - Safety door lock - Google Patents

Safety door lock

Info

Publication number
CA969992A
CA969992A CA148,622A CA148622A CA969992A CA 969992 A CA969992 A CA 969992A CA 148622 A CA148622 A CA 148622A CA 969992 A CA969992 A CA 969992A
Authority
CA
Canada
Prior art keywords
door lock
safety door
safety
lock
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
CA148,622A
Other versions
CA148622S (en
Inventor
Michael Graziosi
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
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CA148,622A priority Critical patent/CA969992A/en
Application granted granted Critical
Publication of CA969992A publication Critical patent/CA969992A/en
Expired legal-status Critical Current

Links

CA148,622A 1972-08-03 1972-08-03 Safety door lock Expired CA969992A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA148,622A CA969992A (en) 1972-08-03 1972-08-03 Safety door lock

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA148,622A CA969992A (en) 1972-08-03 1972-08-03 Safety door lock

Publications (1)

Publication Number Publication Date
CA969992A true CA969992A (en) 1975-06-24

Family

ID=4094031

Family Applications (1)

Application Number Title Priority Date Filing Date
CA148,622A Expired CA969992A (en) 1972-08-03 1972-08-03 Safety door lock

Country Status (1)

Country Link
CA (1) CA969992A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5024473A (en) * 1989-02-13 1991-06-18 Mcquade Donald E Gate locking device featuring dead bolt means

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5024473A (en) * 1989-02-13 1991-06-18 Mcquade Donald E Gate locking device featuring dead bolt means

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