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Expired Canadian patentCanada

Free wheeling dispenser mechanism for manually operated animal food dispensing machine

CA 1298747 C · Owner: Gold, Arthur · Inventors: Gold, Arthur

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

An animal food dispensing machine capable of being operated by a domesticated animal or pet and having a housing provided with a discharge chute, food storage means free-wheeling ex-, ternal actuator assembly and an internal dispenser mechanism. In one embodiment of the dispenser mechanism a lower plate is, rotatable about a boss to align an opening with the discharge chute to discharge food therethrough and an upper plate mounted, in a fixed position, is provided to guide food to the lower plate. In another embodiment of the dispenser mechanism a, metering plate is included to meter a quantity of the food to be dispensed. The free-wheeling external actuator assembly coupled to the internal …

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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 April 14, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 14, 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.
FiledDecember 24, 1987
GrantedApril 14, 1992
Term endedApril 14, 2009
Patent numberCA 1298747 C
Classification (IPC)A01K5/00 +2 more

Timeline

Timeline From CIPO dates

19881991199419972000200320062009Application filedDec 24, 1987Patent grantedApril 14, 1992Term endedApril 14, 2009

Sources & verification

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