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Expired Canadian patentCanada

Water cooled incinerator

CA 1295886 C · Owner: Houston, Clarence H. · Inventors: Houston, Clarence H.

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 incinerating device of metallic construction comprises a combustion chamber in which waste material is incirlerated, a gas-scrubbing chamber in which the combustion gases are washed with water sprays to remove particulate material. The washed gases are vented to the atmosphere and the scrubbing water passes downwardly through a series of metallic mesh filter trays in a filter tower to remove particulate material from that water which is then recirculated to the scrubbing chamber. The walls and roof of the combustion chamber are formed as hollow metallic structures defined by inner and outer metallic members and cooling water flows continuously through those hollow structures to reduce …

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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 February 18, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 18, 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.
FiledFebruary 22, 1989
GrantedFebruary 18, 1992
Term endedFebruary 18, 2009
Patent numberCA 1295886 C
Classification (IPC)F23J15/00 +2 more

Timeline

Timeline From CIPO dates

1990199219941996199820002002200420062008Application filedFeb 22, 1989Patent grantedFeb 18, 1992Term endedFeb 18, 2009

Sources & verification

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