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Canadian application, no grantCanada

Method of and apparatus for water jet cleaning

CA 2031795 A1 · Owner: Walendowski, Stanley J. · Inventors: Walendowski, Stanley J.

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 method and apparatus for a high pressure water jet automatic cleaning station for dollies or the like disclosed comprises a plurality of high pressure nozzles (152) displaced radially and also being rotatable about independent axes A. The independent axes A are arranged in radially spaced parallel relation about a central axis C. A support (158) mounts the nozzles (152) for rotation about the independent axes A and also mounts the independent axes A for revolution about the central axis C. A drive means (160) revolves the independent axes A whereby the nozzles (152) provide jets of water whose impingement patterns create a uniform dense water cleaning spray. A programmer controls movement …

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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

  • Filed December 7, 1990. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended December 7, 2010.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by December 7, 2012.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledDecember 7, 1990
GrantedNo grant recorded
Term endedDecember 7, 2010
Patent numberCA 2031795 A1
Classification (IPC)B08B3/02 +2 more

Timeline

Timeline From CIPO dates

1991199319951997199920012003200520072009Application filedDec 7, 1990Term endedDec 7, 2010

Sources & verification

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