CA549169A - Door counterbalance structure - Google Patents

Door counterbalance structure

Info

Publication number
CA549169A
CA549169A CA549169A CA549169DA CA549169A CA 549169 A CA549169 A CA 549169A CA 549169 A CA549169 A CA 549169A CA 549169D A CA549169D A CA 549169DA CA 549169 A CA549169 A CA 549169A
Authority
CA
Canada
Prior art keywords
counterbalance structure
door counterbalance
door
counterbalance
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
CA549169A
Other languages
French (fr)
Inventor
Berry Glenn
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
Publication date
Application granted granted Critical
Publication of CA549169A publication Critical patent/CA549169A/en
Expired legal-status Critical Current

Links

CA549169A Door counterbalance structure Expired CA549169A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA549169T

Publications (1)

Publication Number Publication Date
CA549169A true CA549169A (en) 1957-11-26

Family

ID=35710544

Family Applications (1)

Application Number Title Priority Date Filing Date
CA549169A Expired CA549169A (en) Door counterbalance structure

Country Status (1)

Country Link
CA (1) CA549169A (en)

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