Overhead sectional door, hinge and associated method
CA 2580839 C · Owner: Colston, John A. · Inventors: Colston, John A.; Stone, Jeffrey W.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An overhead door (10) and associated mating panels (14) includes a number of hinges to pivotally couple adjacent overhead door panels (14). Each door panel (14) includes a back metal skin (36) presenting a back face. Each hinge (20) includes a lower hinge leaf (50) a pair of hinge legs projecting generally parallel to each other. The lower hinge leaf (50) is mounted to the lower panel and a backer plate (56) is mounted to the interior face of the back skin (36) of the lower panel and screws or bolts project through the lower hinge leaf (50), the skin (36) and into the backer plate (56) . Each hinge leg (58) on the lower hinge leaf (50) includes a hinge pin hole near a terminal end …
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Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Filed September 9, 2005 and granted April 10, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended September 9, 2025.
- Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.