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Expired Canadian patentCanada

Single log feeder

CA 1302952 C · Owner: Exco Industries Ltd. · Inventors: Hollins, Bryant C.

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

An apparatus which is capable of sorting logs of varying diameter and feeding them one at a time to a log processing apparatus. A cylinder handling apparatus comprising: (a) means for receiving and holding a plurality of cylindrical objects of varying diameter and length parallel to and abutting one another in a row; and (b) means for separating and raising the foremost cylindrical object from the secondarily disposed cylindrical objects in the row and dispensing the foremost cylindrical object from the apparatus and, raising at least one of the secondarily disposed cylindrical objects above the surface of the receiving and holding means.

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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 June 9, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 9, 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.
FiledOctober 30, 1987
GrantedJune 9, 1992
Term endedJune 9, 2009
Patent numberCA 1302952 C
Classification (IPC)B07B13/16 +2 more

Timeline

Timeline From CIPO dates

19881991199419972000200320062009Application filedOct 30, 1987Patent grantedJune 9, 1992Term endedJune 9, 2009

Sources & verification

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