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Expired Canadian patentCanada

Air inlet for a dishwashing apparatus

CA 1113350 A · Owner: Maytag Company (The) · Inventors: Quayle, Lawrence L.

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 dishwashing apparatus has an air inlet conduit located in the bottom wall of the washing chamber. A forced air circulation apparatus is attached to a support bracket on the air inlet conduit from the outside of the washing chamber through a partial turn rotary motion. The air circulation apparatus is locked in this attached position by tightening a threaded fastener from within the washing chamber.

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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 December 1, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 1, 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.
FiledJuly 20, 1979
GrantedDecember 1, 1981
Term endedDecember 1, 1998
Patent numberCA 1113350 A
Classification (IPC)B08B3/04 +2 more

Timeline

Timeline From CIPO dates

1980198219841986198819901992199419961998Application filedJuly 20, 1979Patent grantedDec 1, 1981Term endedDec 1, 1998

Sources & verification

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