Patent Yard Sign in
Expired Canadian patentCanada

Windscreen cleaner device

CA 1101618 A · Owner: Tolle, Gunther · Inventors: Nixdorf, Hans W.; Tolle, Gunther

CIPO record

Overview

Drawings and full text

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

Open the CIPO record

Abstract From the Canadian patent

A vehicle windscreen cleaner device comprises a container which can be fastened to or is made integral with a windscreen wiper arm. The container is cylindrical and a portion of one side wall is grid-like with apertures. Either a part of the side wall or part of the end wall are removable to permit the insertion of a stick or rod of cleansing agent. In use when the, vehicle is used in the rain water is entrained into the container by the slipstream, dissolves some of the cleansing agent and is entrained onto the windscreen.

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 May 26, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 26, 1998.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledDecember 12, 1978
GrantedMay 26, 1981
Term endedMay 26, 1998
Patent numberCA 1101618 A
Classification (IPC)B60S1/02 +2 more

Timeline

Timeline From CIPO dates

1979198119831985198719891991199319951997Application filedDec 12, 1978Patent grantedMay 26, 1981Term endedMay 26, 1998

Sources & verification

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