Installation and method for the vegetables cultivation
CA 1107069 A · Owner: Inzuki Buero Fuer Technische Projekte Und Patente Aktiengesellschaft · Inventors: Schmidt, Maria
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
In an apparatus for growing vegetables continuously by the hydroponic system, a plurality of identical containers equipped with lateral apertures, is arranged one on top of the other to form at least one hollow vertical column coprising at regular intervals along its axis, equidistant coplanar apertures (growth levels) throught which the plants may grow. Means are provided for raising the column lowering it, and, keeping it vertical, the said means being in the form of a cable secured detachably to each container together with, means for spraying nutrient fluid at the top of the column for collecting it at the base, and for recycling it to the top. This apparatus may be used for 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
- Granted August 18, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 18, 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.