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Expired Canadian patentCanada

Water heater tank assembly

CA 1194375 A · Owner: Rheem Manufacturing Company · Inventors: Clark, Keith R.; Daugirda, Paul G.

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 improved water heater tank leg support assembly includes a plurality of legs formed from a generally rectangular blank by bending the sides of the blank to form a shearing action vertical support member which is spaced by the base. A boss or depression in the base supports the leg member above the floor. The base engages a pan which is suspended beneath a water heater tank. The upstanding vertical legs of the leg support support the water heater tank itself.

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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 October 1, 1985. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 1, 2002.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledMay 31, 1983
GrantedOctober 1, 1985
Term endedOctober 1, 2002
Patent numberCA 1194375 A
Classification (IPC)F24H1/00

Timeline

Timeline From CIPO dates

1984198619881990199219941996199820002002Application filedMay 31, 1983Patent grantedOct 1, 1985Term endedOct 1, 2002

Sources & verification

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