CA686583A - Door-operators - Google Patents

Door-operators

Info

Publication number
CA686583A
CA686583A CA686583A CA686583DA CA686583A CA 686583 A CA686583 A CA 686583A CA 686583 A CA686583 A CA 686583A CA 686583D A CA686583D A CA 686583DA CA 686583 A CA686583 A CA 686583A
Authority
CA
Canada
Prior art keywords
operators
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
CA686583A
Inventor
A. Purdy Frederick
Original Assignee
A. Purdy Frederick
Publication date
Priority to CA686583T priority Critical
Application granted granted Critical
Publication of CA686583A publication Critical patent/CA686583A/en
Expired legal-status Critical Current

Links

CA686583A Door-operators Expired CA686583A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA686583T

Publications (1)

Publication Number Publication Date
CA686583A true CA686583A (en) 1964-05-19

Family

ID=35989192

Family Applications (1)

Application Number Title Priority Date Filing Date
CA686583A Expired CA686583A (en) Door-operators

Country Status (1)

Country Link
CA (1) CA686583A (en)

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