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Expired Canadian patentCanada

Socket tooth for saws

CA 1252024 A · Owner: Bonac, Tomo · Inventors: Bonac, Tomo

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 saw tool, especially circular saw, having each saw tooth provided with a tapered male projection to accept a removable, disposable socket tooth; socket tooth comprising a cutting bit and a U-shaped casing permanently joined to each other by brazing or welding. After placing the socket tooth onto the projection by hand the tooth is firmly locked when the cutting forces start to act. The socket tooth is removable by tapping in the direction opposite to placing.

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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 4, 1989. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 4, 2006.
  • 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 1, 1988
GrantedApril 4, 1989
Term endedApril 4, 2006
Patent numberCA 1252024 A
Classification (IPC)B27B33/00

Timeline

Timeline From CIPO dates

198919911993199519971999200120032005Application filedMarch 1, 1988Patent grantedApril 4, 1989Term endedApril 4, 2006

Sources & verification

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