Combination sudser and rinser brush
CA 1058360 A · Owner: Stoyshin, Donald A. · Inventors: Stoyshin, Donald A.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
This invention consists of a device for washing and rinsing any items ranging from small dishes to large cars. It is made up of a hollow cylindrical body having a long neck at the front thereof which terminates into a hollow circular perforated chamber which forms the back of a circular brush. Totally enclosed in the cylinder body is a central narrow pipe the rear end of which extends beyond the body for attachment to a water supply hose; while the front end of said pipe extends beyond the said brush chamber. The pipe has a constricted area for increasing the water velocity; a pinhole in its wall to feed water slowly in the body and around the said pipe; and a slightly expanded perforated …
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
- Granted July 17, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 17, 1996.
- 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.