Gravel/fertilizer packet for potted plants
CA 2075295 A1 · Owner: Cosse, Irvy E. Jr. · Inventors: Cosse, Irvy E. Jr.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An apparatus and method for facilitating the extended infusion of fertilizer and controlled watering of a potted plant while, providing an improved method for preventing the egress of soil through the base of the pot. The present invention teaches in its preferred embodiment a gravel/fertilizer packet (p) comprising a specially formulated fertilizer mixture (8) depending upon the type, of plant, suspended in a gravel filtering base (7) the mixture, contained in enveloping package (16) comprised of a wicking fluid , permeable material, the package having emanating about its edge periphery a flange or skirt (5) for facilitating the retention and controlled, even distribution of water and …
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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
- Filed December 4, 1991. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended December 4, 2011.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by December 4, 2013.
- 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.