Collapsible structure for patios and driveways
CA 2364313 A1 · Owner: Gu, Hao Ran · Inventors: Gu, Hao Ran
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A collapsible and removable roof-like structure or enclosure is provided. The collapsible, structure includes a plurality of collapsible sections each section having , two vertical support members having lower end portions and two longitudinal side panel members with a side panel, member being attached to an associated vertical support member. Each side panel member has, a top edge and side edges. The collapsible structure includes a longitudinal top panel member, having opposed edges with the top panel member being hingedly attached at one of the opposed, edges to the top edge of one of the side panel members and hingedly attached at the other of the, opposed edges to the top edge of …
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 December 11, 2001. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended December 11, 2021.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by December 11, 2023.
- 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.