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Expired Canadian patentCanada

Miter cutter device for cable ditches

CA 1304654 C · Owner: Smc Stockholms Maskincentral Aktiebolag · Inventors: Akerberg, Jan; Nilsson, Bo

CIPO record

Overview

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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 mitre cutter device for cable ditches is disclosed which comprises a mitre ruler to be clamped to a cable ditch for receiving guide means for a saw apparatus running along the mitre ruler. The apparatus when displaced is guided in combination with the mitre ruler. A mitre table is intended to carry the cable ditch in a given position and also, by means of the cable ditch to carry the mitre ruler in a given position. The mitre table the mitre ruler and the saw apparatus are made as separate parts which may be fastened together. The saw apparatus comprises a saw with a rotational saw blade, which when the saw apparatus is, displaced along the mitre ruler is guided to run in a groove in, 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 July 7, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 7, 2009.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledNovember 24, 1987
GrantedJuly 7, 1992
Term endedJuly 7, 2009
Patent numberCA 1304654 C
Classification (IPC)H02G1/00

Timeline

Timeline From CIPO dates

19881991199419972000200320062009Application filedNov 24, 1987Patent grantedJuly 7, 1992Term endedJuly 7, 2009

Sources & verification

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