Canvass reinforcement
CA 2293529 A1 · Owner: Adriaensen, Ludo · Inventors: Adriaensen, Ludo; Vandewalle, Gerard
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A fabric (20) for reinforcement of canvasses having a plastic coating. The fabric (20) comprises a warp (22) and a weft (24) which form meshes having a maximum dimension ranging from 5 cm to 25 cm. At least one of the warp or the weft is formed by a strip (10) which comprises a matrix of a thermoplastic material (12) which is adherable to the plastic coating of the canvasses. This strip further comprises two or more elongated metal members (14). This strip has a cross-sectional average thickness ranging from 0.50 mm to 3.0 mm and a cross-sectional width ranging from 3 mm to 25 mm. The strip and the fabric allow to reinforce the canvass in a cheaply way without adding too much …
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 May 8, 1998. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended May 8, 2018.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by May 8, 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.