Improved squeegee
CA 2265139 A1 · Owner: Renken, John C. · Inventors: Renken, John C.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An improved squeegee. The squeegee has a sponge washer which is attached to a support and covered by a mesh protector. Replacement apparatus provides for rapid replacement of the mesh. The replacement apparatus includes a length of mesh wrapped around a reel. The wrapped end of the mesh is secured by locking the reel against rotation and, the free end of the mesh is secured by a plastic strip with a serrated edge which engages the mesh. The strip is wedged within a recess in the support. To replace mesh which extends over the washer, the free and wrapped ends are released a, length of mesh is pulled from the reel and stretched over the washer. Both ends of the mesh are then resecured. 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 March 10, 1999. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended March 10, 2019.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by March 10, 2021.
- 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.