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Expired Canadian patentCanada

Rip fence for table saw

CA 1287553 C · Owner: Claghorn, Roger O. · Inventors: Claghorn, Roger O.; Metzger, James I, Jr.

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

of Disclosure, A rip fence for use with a table saw band saw or the, like having a rotatable saw blade extending through its upper surface is disclosed. The rip fence holds a workpiece in position relative to the rotatable saw blade for longitudinal or rip cutting along the length of the workpiece. The rip fence includes depending front and rear clamps which are operatively connected for simultaneous releasable clamping engagement with corresponding surfaces of the table saw. For adjusting of the rip fence the front and rear clamps are, unlocked and a spring biased lever maintains the rip fence in squared relationship to the table, while permitting adjustment relative to the rotatable saw …

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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 August 13, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 13, 2008.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledDecember 8, 1988
GrantedAugust 13, 1991
Term endedAugust 13, 2008
Patent numberCA 1287553 C
Classification (IPC)B27B27/02 +2 more

Timeline

Timeline From CIPO dates

1989199119931995199719992001200320052007Application filedDec 8, 1988Patent grantedAug 13, 1991Term endedAug 13, 2008

Sources & verification

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