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Expired Canadian patentCanada

Method and apparatus for inspecting food products

CA 1104236 A · Owner: Tri/Valley Growers · Inventors: Macdonald, Wayne W.; Malvick, Arnold O.

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 and an apparatus for inspecting food products for defects, in particular pit fragments is described having a, source of radiation belt means for transporting the food products through the radiation and means responsive to the intensity of the radiation transmitted through the food products for segregating therefrom the defective food products.

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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 30, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 30, 1998.
  • 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 13, 1976
GrantedJune 30, 1981
Term endedJune 30, 1998
Patent numberCA 1104236 A
Classification (IPC)B07C5/34

Timeline

Timeline From CIPO dates

19771980198319861989199219951998Application filedAug 13, 1976Patent grantedJune 30, 1981Term endedJune 30, 1998

Sources & verification

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