Patent Yard Sign in
Expired Canadian patentCanada

Tree delimber and loader

CA 1083016 A · Owner: Hagan, Carl F. · Inventors: Hagan, Carl F.

CIPO record

Overview

Drawings and full text

Its claims, description and drawings are in the Canadian Patents Database.

Open the CIPO record

Abstract From the Canadian patent

A tree delimber and loader suitable for mounting on the free end of an articulated and extensible boom movable between a variety of different positions. The delimber and loader head frame is swivelably mounted on the boom for pivotal movement about at least two perpendicularly related axes. The frame includes limb stripping means for delimbing a tree trunk passed therethrough while supporting at least a portion of the weight of the tree trunk. In addition, shearing means may be provided on the frame opposite the delimbing means for selectively cutting off a portion of the tree top from the tree trunk at the completion of the delimbing operation. Means are also provided on the frame for …

Read the whole patent

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 5, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 5, 1997.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledAugust 8, 1978
GrantedAugust 5, 1980
Term endedAugust 5, 1997
Patent numberCA 1083016 A
Classification (IPC)A01G23/00

Timeline

Timeline From CIPO dates

1979198119831985198719891991199319951997Application filedAug 8, 1978Patent grantedAug 5, 1980Term endedAug 5, 1997

Sources & verification

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