Method and structure for improved natural lighting for plant growth
CA 1317762 C · Owner: Sprung, Philip D. · Inventors: Sprung, Philip D.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method and structure for improved natural lighting for plant growth, particularly for mass production of horticultural crops in environmental conditions where normal solar lighting may be inadequate for horticultural production within a greenhouse structure. The structure comprises a translucent shell on a base, the shell and base enclosing a predetermined space within which plants are to be grown. reflective surface is situated adjacent major portions of the base, outside the shell and preferably below the level of the base, to reflect solar radiation into the space through the shell. The structure may also be provided with other features tending to increase the exposure of solar …
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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 May 18, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 18, 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.
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.