Artificial soil and construction of bed soil for putting green using artificial soil
CA 1295491 C · Owner: Nissoku Corporation · Inventors: Shibata, Masashi; Hayakawa, Iwao; Hayashibara, Tokimasa
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
According to the present invention an artificial, soil, which has compound effects and is used in a, wide range, and is easy to handle is obtained by, mixing Shirasu, fine particles of fossils pulverized, organic materials and soil-aggregating agent powders and a construction of a bed soil for a putting green having excellent drainage and water-holding property and fertilizer-holding property is obtained by forming the bed soil of an upper growth layer formed of the artificial soil formed of a mixture comprising Shirasu fine particles of fossils, pulverized organic materials and soil-aggregating agent powders, sands and soils and a lower drainage-layer formed of sands or mainly comprising …
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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 February 11, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 11, 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.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.