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Expired Canadian patentCanada

Compressed air modifier

CA 1293921 C · Owner: Sola, Antonio · Inventors: Sola, Antonio

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

An apparatus to introduce a vaporized chemical agent into a compressed air supply system comprising an air inlet 25, a chemical agent storage chamber 15 and an, air/chemical agent mixing chamber 13 which includes a baffle means 14 to promote turbulence and extract liquid phase chemical droplets. There is a supply means 17 to spray a controlled quantity of the chemical agent into the mixing chamber and an outlet 20 to allow removal of extracted liquid phase chemical agent from the mixing chamber 13.

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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 January 7, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 7, 2009.
  • 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 6, 1987
GrantedJanuary 7, 1992
Term endedJanuary 7, 2009
Patent numberCA 1293921 C
Classification (IPC)B01D47/06 +2 more

Timeline

Timeline From CIPO dates

19881991199419972000200320062009Application filedAug 6, 1987Patent grantedJan 7, 1992Term endedJan 7, 2009

Sources & verification

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