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Canadian application, no grantCanada

Logging carriage apparatus

CA 2234489 A1 · Owner: Staats, Dave · Inventors: Staats, Dave

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

One aspect of the invention provides a gripping device for securing a flexible elongated, tension member about a rotatable member. The gripping device comprises a plurality of clamps spaced-apart about the rotatable member. There is an engagement mechanismadjacent the rotatable member which engages the clamps at a first fixed position. A release mechanism disengages the clamps at a second fixed position. The invention also provides a logging carriage which has a winding drum rotatably mounted to a body. A cable is wound about the drum, whereby the drum is rotated when the cable is pulled. A drop line sheave is rotatably mounted to the body and has a drop line extending thereabout. A drive …

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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

  • Filed April 9, 1998. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended April 9, 2018.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by April 9, 2020.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledApril 9, 1998
GrantedNo grant recorded
Term endedApril 9, 2018
Patent numberCA 2234489 A1
Classification (IPC)B66C21/00 +2 more

Timeline

Timeline From CIPO dates

1999200120032005200720092011201320152017Application filedApril 9, 1998Term endedApril 9, 2018

Sources & verification

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