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Expired Canadian patentCanada

Method of material distribution and apparatus

CA 1263350 C · Owner: Nat Shipping Bagging Services Limited · Inventors: Nederpel, Gerardus L.; Van Der Wal, Jan

CIPO record

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

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Abstract From the Canadian patent

A method of material distribution for distributing free-flowing material is provided which consists of transporting the material in bulk from one location to another, siting a mobile bagging apparatus at the second location, unloading the transported material into the bagging apparatus, and bagging the material for use. In a preferred arrangement the mobile bagging apparatus has a receiving hopper for material, a weighing and bagging machine for metering the material into bags in predetermined quantities by weight, and a stitching machine for closing the bags. The material is suitably transported in bulk by transport ship.

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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 November 28, 1989. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 28, 2006.
  • 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 23, 1984
GrantedNovember 28, 1989
Term endedNovember 28, 2006
Patent numberCA 1263350 C
Classification (IPC)B65B51/07

Timeline

Timeline From CIPO dates

19851988199119941997200020032006Application filedAug 23, 1984Patent grantedNov 28, 1989Term endedNov 28, 2006

Sources & verification

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