Patent Yard Sign in
Canadian application, no grantCanada

Cutter trimmer sorter

CA 2422172 A1 · Owner: Weyerhaeuser Company Limited · Inventors: Olsen, David

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

An apparatus for cutting and sorting boards conveys the boards along a conveyor, path. The apparatus senses the length of boards and the grade of boards and , cuts, selected boards into first and second segments. The first and second segments are aligned, against lumber lines respectively on each side of a conveyor path. The boards are then, selectively sorted and dropped into bins successively positioned along each side of the, conveyor path.

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

  • Filed March 14, 2003. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended March 14, 2023.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by March 14, 2025.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledMarch 14, 2003
GrantedNo grant recorded
Term endedMarch 14, 2023
Patent numberCA 2422172 A1
Classification (IPC)B27B31/00 +2 more

Timeline

Timeline From CIPO dates

2004200620082010201220142016201820202022Application filedMarch 14, 2003Term endedMarch 14, 2023

Sources & verification

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