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Expired Canadian patentCanada

Muffler clamp and method of making same

CA 1136833 A · Owner: Nickson Industries, Inc. · Inventors: Florian, Roy S.; Evans, Ralph K.

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

A saddle member for a saddle clamp is generally U-shaped in cross section. Generally parallel side walls are spaced apart and have arcuate free ends. A base extends between the side walls opposite the free ends and end walls extend between the side margins of the side walls. me end walls include flanges on the side walls and the base and weldments that extend along substantially the entire lengths of the side-wall flanges to provide end walls that form continuous surfaces with both the side walls and the base.

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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 December 7, 1982. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 7, 1999.
  • 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 26, 1980
GrantedDecember 7, 1982
Term endedDecember 7, 1999
Patent numberCA 1136833 A
Classification (IPC)F16L21/06 +2 more

Timeline

Timeline From CIPO dates

1981198319851987198919911993199519971999Application filedMarch 26, 1980Patent grantedDec 7, 1982Term endedDec 7, 1999

Sources & verification

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