Method for cultivating plant
CA 1307399 C · Owner: Hayashibara, Ken · Inventors: Masaki, Kazumi
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
62-242294, Abstract of the Disclosure, Plants are irradiated with a light emission obtainable by energizing incandescent lamp with ac or dc voltage that exceeds its rating but does not exceed 150% thereof. Energization of such overvoltage allows incandescent lamp to emit a light having a spectral distribution similar to that of the sublight. Irradiation of the light emission effectively and efficiently stimulates the germination and early growth of seedlings, propagation and early growth of cuttings tissue, culture propagation, and etc.
Read the whole patent
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 15, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 15, 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.