CA415808A - Vertical door counterbalance - Google Patents
Vertical door counterbalanceInfo
- Publication number
- CA415808A CA415808A CA415808A CA415808DA CA415808A CA 415808 A CA415808 A CA 415808A CA 415808 A CA415808 A CA 415808A CA 415808D A CA415808D A CA 415808DA CA 415808 A CA415808 A CA 415808A
- 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
Links
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA415808T |
Publications (1)
Publication Number | Publication Date |
---|---|
CA415808A true CA415808A (en) | 1943-10-12 |
Family
ID=35525022
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA415808A Expired CA415808A (en) | Vertical door counterbalance |
Country Status (1)
Country | Link |
---|---|
CA (1) | CA415808A (en) |
-
0
- CA CA415808A patent/CA415808A/en not_active Expired
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