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Expired Canadian patentCanada

Self-draining panel threshold combination

CA 1322302 C · Owner: Burrous, Allen James · Inventors: Kehrli, David W.; Burrous, Allen James

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

Abstract, An improved self-draining panel threshold combination for a panel such as a door or the like which is of simple design and construction and, passes industry air and water penetration requirements without the use of separate corner seals or door bottom seals. The door threshold combination comprises weatherseals around the entire periphery of the door lying in a weatherseal plane. An open-ended water trough in the threshold extends from one jamb to the other and lies substantially in the weatherseal plane for catching any water that leaks into and past the weatherseals. The threshold has a weatherseal adjacent the water trough that is adapted when flexed by the closed door to allow …

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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 September 21, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 21, 2010.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledJuly 27, 1989
GrantedSeptember 21, 1993
Term endedSeptember 21, 2010
Patent numberCA 1322302 C
Classification (IPC)E06B1/70 +2 more

Timeline

Timeline From CIPO dates

1990199319961999200220052008Application filedJuly 27, 1989Patent grantedSep 21, 1993Term endedSep 21, 2010

Sources & verification

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