Convertible structure
CA 2292413 A1 · Owner: Nolan, Anthony · Inventors: Nolan, Anthony
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A convertible structure, e.g. portable flooring (1) comprising a plurality of (hereinafter) laths (2) and means hinging the laths (2) together edge to edge such that they can be formed into a roll wherein each latch (2) is of , constant cross section and has opposed upper (6) and lower (4) faces adapted to form a floor face and a ground engaging face respectively and opposed side , edges (5) extending between the upper (6) and lower faces (4) and which taper inwardly towards the lower face (4), rounded corners (8) being formed between the side edges (5) and the upper face (6) the rounded corners (8) being of , substantially constant radius and means (10) supporting the hinge means 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 June 29, 1998. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended June 29, 2018.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by June 29, 2020.
- 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.