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Expired Canadian patentCanada

Microorganism and cultivation of crops using the same

CA 1315723 C · Owner: Miyadoh, Shinji · Inventors: Adachi, Takashi; Miyadoh, Shinji; Yasumura, Toshio

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

A microorganism belonging to the genus Enterobacter and having a plant growth acceleratory activity, particularly Enterobacter cloacae and a method, for cultivating crops using the microorganism or polysaccharides produced therefrom are disclosed.

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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 6, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 6, 2010.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledOctober 15, 1987
GrantedApril 6, 1993
Term endedApril 6, 2010
Patent numberCA 1315723 C
Classification (IPC)C12N1/20 +2 more

Timeline

Timeline From CIPO dates

19881991199419972000200320062009Application filedOct 15, 1987Patent grantedApril 6, 1993Term endedApril 6, 2010

Sources & verification

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