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Expired Canadian patentCanada

Combination sudser and rinser brush

CA 1058360 A · Owner: Stoyshin, Donald A. · Inventors: Stoyshin, Donald A.

CIPO record

Overview

Drawings and full text

Its claims, description and drawings are in the Canadian Patents Database.

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Abstract 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 …

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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.
Filed—
GrantedJuly 17, 1979
Term endedJuly 17, 1996
Patent numberCA 1058360 A
Classification (IPC)A47L13/23 +2 more

Timeline

Timeline From CIPO dates

198019821984198619881990199219941996Patent grantedJuly 17, 1979Term endedJuly 17, 1996

Sources & verification

Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.