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CA724530A - Automatic door opening system - Google Patents

Automatic door opening system

Info

Publication number
CA724530A
CA724530A CA724530A CA724530DA CA724530A CA 724530 A CA724530 A CA 724530A CA 724530 A CA724530 A CA 724530A CA 724530D A CA724530D A CA 724530DA CA 724530 A CA724530 A CA 724530A
Authority
CA
Canada
Prior art keywords
door opening
automatic door
opening system
automatic
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
CA724530A
Inventor
J. Watkins Cecil
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.)
UNICOST (AUTODOORS) Ltd
Original Assignee
UNICOST (AUTODOORS) Ltd
Publication date
Application granted granted Critical
Publication of CA724530A publication Critical patent/CA724530A/en
Expired legal-status Critical Current

Links

CA724530A Automatic door opening system Expired CA724530A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA724530T

Publications (1)

Publication Number Publication Date
CA724530A true CA724530A (en) 1965-12-28

Family

ID=36063429

Family Applications (1)

Application Number Title Priority Date Filing Date
CA724530A Expired CA724530A (en) Automatic door opening system

Country Status (1)

Country Link
CA (1) CA724530A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6437527B1 (en) 1999-06-18 2002-08-20 Duane A. Rhodes Garage door security device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6437527B1 (en) 1999-06-18 2002-08-20 Duane A. Rhodes Garage door security device

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