Hydroponic growth system
CA 1315553 C · Owner: Harvey, Roy · Inventors: Harvey, Roy
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
There is disclosed a structure for supporting the growth of plants, comprising a flexible tubular element in the wall of which slits are provided. Closure means define with the tubular element an elongated enclosed area that is filled with a fluid and root permeable material for supporting the roots of plants. A fluid nutrient is supplied by a pump to the material. The tubular element may be suspended from one of its ends and supplied at the upper end with the fluid nutrient to support plant growth through the perforations from the particulate material. The construction is cheaply and easily manufactured, and easily used by a lay person.
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 April 6, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 6, 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.