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Expired Canadian patentCanada

Gas collector electrode assembly for gas burners

CA 1316451 C · Owner: Moss, Russell W. · Inventors: Moss, Russell W.; Romanak, Alfred 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

A gas collector electrode assembly that can be easily assembled and/or disassembled is disclosed. The bottom wall of the gas collector includes two apertures connected by an elongated slot. The first aperture is sized to receive the end of the spark electrode assembly and the second aperture is sized to grippingly engage a circumferential groove on the spark electrode assembly adjacent its end. A tab portion is provided in the bottom wall of the gas collector adjacent the second aperture therein. By inserting the end of the spark electrode assembly into the first aperture and then by depressing the tab portion while laterally moving the spark electrode assembly into the second aperture the, …

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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 20, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 20, 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.
FiledMarch 17, 1989
GrantedApril 20, 1993
Term endedApril 20, 2010
Patent numberCA 1316451 C
Classification (IPC)F23Q7/06

Timeline

Timeline From CIPO dates

1990199319961999200220052008Application filedMarch 17, 1989Patent grantedApril 20, 1993Term endedApril 20, 2010

Sources & verification

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