The spinner
CA 2358113 A1 · Owner: Cunningham, Russell · Inventors: Cunningham, Russell; Weekes, Trevor
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
In a tool for removing liquid from paint brushes and rollers it is known to , have a plunger with, a tight fitting spring at one end and a cylindrcal cone shape groove in the other end.The plunger, and spring are mounted as a floating self -centering device within a tube which at one end has a, stopper shoulder and a drill attachment and at the opposite end is open with threads on the nutter, side of the tube this tube section of the inventions is known as the arbour. Mounted inside the, threaded end of the arbour tube is a collet into which a paint brush would be , placed the collet is, used to secure a paint brush into place within the invention. Mounted externally round the, arbour …
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 September 20, 2001. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended September 20, 2021.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by September 20, 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.