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Expired Canadian patentCanada

Foam-off nozzle assembly with barrel screen insert for use in a trigger sprayer

CA 1316154 C · Owner: Afa Products, Inc. · Inventors: Hurkmans, Petrus L. W.; Maas, Wilhelmus J. J.

CIPO record

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

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Abstract From the Canadian patent

The foam nozzle assembly is mounted to a trigger sprayer and comprises an outer barrel portion defining a foam generating chamber into which liquid is ejected in a conical spray from an orifice in a back wall of the foam generating chamber. The cone of the spray subtends a predetermined angle. The nozzle assembly includes a perforated wall which is located in the outer barrel portion and which is spaced forwardly of the orifice from which the conical spray is ejected. The perforated wall has ribs and slots therein and the back edges of the portions of the ribs between slots is rounded to provide a surface upon which the conical spray can impinge and be deflected in different directions to …

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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 13, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 13, 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.
FiledSeptember 22, 1989
GrantedApril 13, 1993
Term endedApril 13, 2010
Patent numberCA 1316154 C
Classification (IPC)B05B7/04

Timeline

Timeline From CIPO dates

1990199319961999200220052008Application filedSep 22, 1989Patent grantedApril 13, 1993Term endedApril 13, 2010

Sources & verification

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