Controlled environment agriculture facility and method for its operation
CA 1109265 A · Owner: Control Data Corporation · Inventors: Fogg, Lewis W.; Rauhala, Kenneth R.; Satterfield, Holmer E.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A controlled environment agriculture system is provided in which a plurality of plant grow support racks is arranged in an array complementary to an array of lamps which provide illumination for the grow racks. Two positions are provided for the rack array, so that in each position alternate racks are fully illuminated and the remaining racks are in relative darkness. The lamps can be operated continuously and the rack array shifted between these two positions to provide alternating periods of full illumination and relative darkness for each rack. An arrangement is included for improving the uniformity of air distribution to all racks within the array, and for control of humidity within the …
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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, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 22, 1998.
- 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.