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Expired Canadian patentCanada

Automated multiple rip saw feeding apparatus

CA 1329908 C · Owner: Buss Automation, Inc. · Inventors: Hahn, Thomas W.

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

An automated multiple rip sawing apparatus is disclosed, wherein the boards are inspected at an inspection station to identify the lateral boundaries of the maximum usable clear area of each board. Each board is then delivered to an elongate saw feeding table which includes a transversely movable guide fence and the, board is then fed through a multiple rip saw having blades of differing separations, to thereby form a plurality of separate wood components. The transverse movement of the fence is automatically adjusted by a computer control, which includes the stored value of the boundaries of the maximum clear area of the board and so, that the board is ripped into the number and size of …

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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 May 31, 1994. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 31, 2011.
  • 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 28, 1989
GrantedMay 31, 1994
Term endedMay 31, 2011
Patent numberCA 1329908 C
Classification (IPC)B27B5/00 +2 more

Timeline

Timeline From CIPO dates

19901993199619992002200520082011Application filedMarch 28, 1989Patent grantedMay 31, 1994Term endedMay 31, 2011

Sources & verification

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