Plant protection mat, especially in the form of a perforated disk
CA 2304454 A1 · Owner: Bohringer, Eberhard · Inventors: Bohringer, Eberhard
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention relates to a plant protection mat especially in the form of a , perforated disk (1). When in use the plant protection mat is situated above the root ball of a plant as a ground covering. The perforated disk (1) is made from a coconut fleece comprising coconut fibres joined with latex. Said coconut fibres of the perforated disk (1) are fixed with contour-forming stiffening edges (5, 6). The perforated disk also has pore structures (P P') , with different opening widths in the areas of the top and bottom surface cover areas (7, 8).
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 September 24, 1998. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended September 24, 2018.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by September 24, 2020.
- 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.