Reinforced, scrim supported, impermeable, protective, winter turf cover
CA 2546229 C · Owner: Stoller, James E. · Inventors: Stoller, James E.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A protective winter turf cover is formed with a protective winter turf cover having an optional but preferred , top outer layer of polyolefin or other impermeable material and bottom outer layer of polyolefin or other impermeable material with a scrim layer laminated therebetween thereby , forming a turf cover, which is lightweight compactly , foldable, and substantially impermeable to water; and further has tear resistance.
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 May 11, 2006 and granted September 3, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended May 11, 2026.
- Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
- 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.