Paint roller
CA 2424043 A1 · Owner: D'Ambrosio, Sandro · Inventors: D'Ambrosio, Sandro
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A paint roller having a stretchable cylindrical paint sock which is pulled , over, both ends of an outer roller tube and attached by screw-cap means with the , outer end, being stretched over a swivel end-cap capable of providing a roller end angle up to about, 30-degrees, thereby allowing paint to be dispensed in a corner without applying paint to, the adjacent perpendicular surface. In operation as the roller turns, the , paint sock is outwardly stretched over the swivel end-cap extending the roller sock line of , contact with the wall surface, thereby continuously applying paint in a straight line along the, corner.
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 28, 2003. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended March 28, 2023.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by March 28, 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.