Single-track stacking panel covering for an architectural opening
CA 2595947 C · Owner: Colson, Wendell B. · Inventors: Colson, Wendell B.; Welfonder, Konrad
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A stacking panel covering for an architectural opening includes a headrail and a plurality of suspended from the headrail. The panels form an overlapped stack at one end of the headrail when the stacking panel covering is opened and cover the architectural opening when the stacking panel covering is closed. The panels are piggybacked on those adjacent thereto so that they , stack, one behind the next when the stacking panel covering is opened and so , that each pulls the next adjacent thereto as the stacking panel covering is being closed. The panels themselves may be planar or convexly curved in a , horizontal direction and substantially straight in a vertical direction.
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 March 9, 2006 and granted April 23, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended March 9, 2026.
- 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.