CA391390A - Vertical door counterbalance - Google Patents

Vertical door counterbalance

Info

Publication number
CA391390A
CA391390A CA391390A CA391390DA CA391390A CA 391390 A CA391390 A CA 391390A CA 391390 A CA391390 A CA 391390A CA 391390D A CA391390D A CA 391390DA CA 391390 A CA391390 A CA 391390A
Authority
CA
Canada
Prior art keywords
vertical door
door counterbalance
counterbalance
vertical
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
CA391390A
Other languages
French (fr)
Inventor
Cady Blodgett Herbert
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.)
Overhead Door Corp
Original Assignee
Overhead Door Corp
Publication date
Application granted granted Critical
Publication of CA391390A publication Critical patent/CA391390A/en
Expired legal-status Critical Current

Links

CA391390A Vertical door counterbalance Expired CA391390A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA391390T

Publications (1)

Publication Number Publication Date
CA391390A true CA391390A (en) 1940-09-17

Family

ID=35398939

Family Applications (1)

Application Number Title Priority Date Filing Date
CA391390A Expired CA391390A (en) Vertical door counterbalance

Country Status (1)

Country Link
CA (1) CA391390A (en)

Similar Documents

Publication Publication Date Title
CA391390A (en) Vertical door counterbalance
CA391022A (en) Door lock
CA391389A (en) Vertical door catch
CA391699A (en) Garage door
CA392534A (en) Door jamb
CA390563A (en) Door structure
CA391388A (en) Vertical door lock
CA389680A (en) Balanced door
CA393461A (en) Door check
CA389550A (en) Doorway
CA392540A (en) Door catch
CA387779A (en) Revolving door
CA390784A (en) Refrigerator door
CA389251A (en) Door latch
CA393185A (en) Door latch
CA393440A (en) Door latch
CA378852A (en) Door hinge
CA383009A (en) Door hinge
CA393436A (en) Window installation
CA393462A (en) Door opening device
CA388627A (en) Window
CA388818A (en) Window
CA389962A (en) Window
CA390687A (en) Window
CA391887A (en) Window