Plant growth unit
CA 2483680 A1 · Owner: Ware, Larry Austen · Inventors: Ware, Larry Austen
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention relates to a plant growth unit comprising one or more supporters (90, 92), a plurality of growth sites (100) supported by the supporters and means (110) for establishing a liquid nutrient flow. The supporters are radially disposable about a central vertical longitudinal axis (120) defining an internal space (122) adapted to accommodate a light source, between the one or more supporters and operable to form a generally closed perimeter around the internal space. The growth sites are radially disposed about the longitudinal axis and generally face the internal space when the one or more supporters are radially disposed about the longitudinal axis and forming the …
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
- Filed April 30, 2003. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended April 30, 2023.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by April 30, 2025.
- 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.