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Expired Canadian patentCanada

Two cycle dishwasher with interior wash water drain

CA 1106263 A · Owner: Noren, Tore H. · Inventors: Noren, Tore H.

CIPO record

Overview

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Its claims, description and drawings are in the Canadian Patents Database.

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Abstract From the Canadian patent

A dishwashing machine is disclosed comprising a dish-, washing and dish rinsing compartment a tank underlying said, compartment for receiving wash water and rinse water therefrom a sump for receiving water from said tank time controlled means, for circulating hot wash water from said sump and tank for spraying it onto the dishes in said compartment for a predetermined time period, a drain pipe for said sump and a drain valve normally closing said drain pipe, said time controlled means including means for opening said drain valve at the end of the predetermined time period for washing the dishes, a waste water receiving reservoir with a capacity sufficient for receiving all of the wash water …

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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 August 4, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 4, 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.
FiledAugust 23, 1977
GrantedAugust 4, 1981
Term endedAugust 4, 1998
Patent numberCA 1106263 A
Classification (IPC)B08B3/02 +1 more

Timeline

Timeline From CIPO dates

1978198119841987199019931996Application filedAug 23, 1977Patent grantedAug 4, 1981Term endedAug 4, 1998

Sources & verification

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