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Expired Canadian patentCanada

Efficient feeding frequency

CA 2084709 C · Owner: Williams, Danny L. · Inventors: Williams, Danny L.; Hodge, Dean E.; Jackson, Ted Caldwell Jr.

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

Ruminant animals, as herbivores, survive and produce while feeding chiefly on grass or other roughage consisting of large amounts of cellulose Ruminants which have been consuming primarily diets high in cellulose must gradually be adjusted to high grain rations. When the attempt is made to adapt and feed ruminants diets containing no roughage metabolic problems surface. The increase in lactic acid and accompanying fall in rumen pH resulting from roughage or cellulose withdrawal leads not only to the destruction of cellulolytic bacteria which digest cellulose) but to the destruction of lactate utilizing organisms resulting in, acidosis and its attendant adverse effects which results in less …

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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

  • Filed December 7, 1992 and granted April 21, 1998. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended December 7, 2012.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by December 7, 2014.
  • 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 7, 1992
GrantedApril 21, 1998
Term endedDecember 7, 2012
Patent numberCA 2084709 C
Classification (IPC)A23K50/10 +2 more

Timeline

Timeline From CIPO dates

1993199519971999200120032005200720092011Application filedDec 7, 1992Patent grantedApril 21, 1998Term endedDec 7, 2012

Sources & verification

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