Patent Yard Sign in
Expired Canadian patentCanada

Clothes-line

CA 1192868 A · Owner: Pierre Descoteaux · Inventors: Doyle, Rexford

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

An endless clothes-line is trained onto pulleys in the usual manner and a sprocket wheel is located between the top and bottom run of the clothes-line and nearer one of the pulleys. Both ends of a cable are attached to the clothes-line. The cable carries spaced clothes pins and is trained on the sprocket wheel. The clothes pins clip onto the clothes-line and are made to disengage the same when travelling around the sprocket. Each clothes pin has a V-shape configuration with a circular notch at the apex of the space between the legs of the clothes pin. Each clothes pin has a transversely-slidable locking plate, also with a notch registering with the notch of the pin itself in the open …

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 September 3, 1985. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 3, 2002.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledAugust 2, 1983
GrantedSeptember 3, 1985
Term endedSeptember 3, 2002
Patent numberCA 1192868 A
Classification (IPC)D06F53/02 +2 more

Timeline

Timeline From CIPO dates

1984198619881990199219941996199820002002Application filedAug 2, 1983Patent grantedSep 3, 1985Term endedSep 3, 2002

Sources & verification

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