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Expired Canadian patentCanada

Garage door screen enclosure

CA 1213821 A · Owner: Hare, Claude H.M. · Inventors: Silverthorne, Daniel F.; Hare, Claude H.M.; Hall, Dale

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 roll-up apparatus comprises a rod having one edge of a flexible screen thereto and means to rotatably mount the rod to a garage door frame. The screen is provided with means to releasably attach its side edges to the side members of the garage door frame, and means to maintain its bottom edge in contact with the ground when the screen is in a lowered position.

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 November 12, 1986. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 12, 2003.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledFebruary 27, 1985
GrantedNovember 12, 1986
Term endedNovember 12, 2003
Patent numberCA 1213821 A
Classification (IPC)E06B9/54 +1 more

Timeline

Timeline From CIPO dates

198619881990199219941996199820002002Application filedFeb 27, 1985Patent grantedNov 12, 1986Term endedNov 12, 2003

Sources & verification

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