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Expired Canadian patentCanada

System for dispensing insect screen

CA 1299534 C · Owner: Hassard, John Douglas · Inventors: Hassard, John Douglas; Lewington, Roger Peter

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

A system for dispensing insect screen in retail stores comprises a roll of screen, a box having a specially configured slot, and a holder for the box all arranged, such that the screening can be pulled from the box and cut to desired lengths. 0938B/

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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 April 28, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 28, 2009.
  • 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 19, 1988
GrantedApril 28, 1992
Term endedApril 28, 2009
Patent numberCA 1299534 C
Classification (IPC)B65H16/00

Timeline

Timeline From CIPO dates

1989199219951998200120042007Application filedFeb 19, 1988Patent grantedApril 28, 1992Term endedApril 28, 2009

Sources & verification

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