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Expired Canadian patentCanada

Multiple post for raising and transplanting seedlings and method of manufacturing the same

CA 1307667 C · Owner: Sakaki, Michinori · Inventors: Tsuru, Ryuzo; Tanimura, Masashi; Sakaki, Michinori

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

The invention relates to a multiple pot comprising individual pots interconnected by connector portions so as to be capable of being pulled individually from the multiple pot or in rows. The multiple pot is used to raise and transplant seedlings of plants. The invention also relates to a method of manufacturing the pot. The pot is designed especially to promote growth of roots across the side walls of the individual pots after transplantation. Also the, resistance encountered when the multiple pot is unfolded is reduced. Further the individual pots are uniform in size. These features arise from special connector portions, which are formed by applying a waterproof paste discontinuously …

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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 September 22, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 22, 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.
FiledNovember 14, 1988
GrantedSeptember 22, 1992
Term endedSeptember 22, 2009
Patent numberCA 1307667 C
Classification (IPC)A01G9/10

Timeline

Timeline From CIPO dates

1989199219951998200120042007Application filedNov 14, 1988Patent grantedSep 22, 1992Term endedSep 22, 2009

Sources & verification

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