Framing system for mounting flexible sheets
CA 2503189 C · Owner: Hokum, Robert T. Jr. · Inventors: Green, Guerry E.; Hokum, Robert T. Jr.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A framing system for mounting screen or plastic sheeting in windows or on porches. A channel member having a U-shaped cross section has a base and a pair of resilient arms extending from the base. A tongue and groove arrangement allows oppositely positioned channels to snap together to form a hollow frame. A fastener for holding the channel members has a central column with a radially projecting crown which is fastened onto an existing surface to anchor the mounting system to a window or porch.
Read the whole patent
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 April 19, 2005 and granted October 16, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended April 19, 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.