CA306565A - Electric door operator - Google Patents

Electric door operator

Info

Publication number
CA306565A
CA306565A CA306565A CA306565DA CA306565A CA 306565 A CA306565 A CA 306565A CA 306565 A CA306565 A CA 306565A CA 306565D A CA306565D A CA 306565DA CA 306565 A CA306565 A CA 306565A
Authority
CA
Canada
Prior art keywords
electric door
door operator
operator
electric
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
CA306565A
Other languages
French (fr)
Inventor
Waldron Shonnard Harold
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.)
ELEVATOR SUPPLIES Co
Original Assignee
ELEVATOR SUPPLIES Co
Publication date
Application granted granted Critical
Publication of CA306565A publication Critical patent/CA306565A/en
Expired legal-status Critical Current

Links

CA306565A Electric door operator Expired CA306565A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA306565T

Publications (1)

Publication Number Publication Date
CA306565A true CA306565A (en) 1930-12-09

Family

ID=35259716

Family Applications (1)

Application Number Title Priority Date Filing Date
CA306565A Expired CA306565A (en) Electric door operator

Country Status (1)

Country Link
CA (1) CA306565A (en)

Similar Documents

Publication Publication Date Title
CA306565A (en) Electric door operator
CA306788A (en) Door operator
CA298216A (en) Electric door control
CA304394A (en) Electric door control
CA301332A (en) Electric hydrant thawer
CA303255A (en) Electric lock
CA300028A (en) Electrical door operating device
CA297649A (en) Electric motor
CA298290A (en) Electric machine
CA299722A (en) Electric apparatus
CA305855A (en) Electric apparatus
CA296693A (en) Electrically controlled door
CA298615A (en) Electric iron
CA298616A (en) Electric iron
CA299061A (en) Door
CA301628A (en) Electric cable
CA302634A (en) Electric cable
CA304428A (en) Electric cable
CA296339A (en) Electric switch
CA296443A (en) Electric switch
CA296593A (en) Electric switch
CA296636A (en) Electric switch
CA296651A (en) Electric switch
CA301844A (en) Electric switch
CA305144A (en) Electric switch