Improvements relating to multi-fold panel assemblies
CA 2494205 A1 · Owner: Jones, Ashley Clive · Inventors: Burggraaf, David Frank; Jones, Ashley Clive
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A closure assembly (40) of an opening in a building including at least two mutually pivoted panels (41, 42, 43) mounted with the mutual pivot axis (44) at least substantially vertical. The panels are movable between a closed condition whereby the at least two panels at least substantially in mutual alignment provide at least a partial closure of the opening in or substantially parallel to the plane of the opening and an opened condition , whereby the at least two panels mutually disaligned by having pivoted mutually towards each other, are substantially clear of the plane of the opening. A proximate panel (41) is pivoted by a vertical pivot axis substantially in the plane of the …
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 August 13, 2003. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended August 13, 2023.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by August 13, 2025.
- 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.