Wall corner sanding device
CA 2134571 A1 · Owner: Krusin International Corporation · Inventors: Sinclair, Edmund Laurie
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A wall sander device is shaped as a longitudinally extending V-cross-section abrading member defining a first flexible planar member and a second flexible planar member each having an outer surface and an inner surface; means to detachably receive and hold a conventional sanding implement generally between the first and second members in such a position that the longitudinal median plane of the sanding implement coincides with the longitudinal plane bisecting the V-cross-section abrading member, and that the bottom surface of the sanding implement is facing and spaced apart from at an angle with the inner surfaces of the longitudinally extending V-cross-section abrading member; and means to …
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 October 13, 1994. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended October 13, 2014.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by October 13, 2016.
- 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.