Portable putting surface
CA 2245446 A1 · Owner: Maclean, John J. · Inventors: Maclean, John J.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A portable putting surface is formed of a plurality of separate panels each having opposite left and right side rails removably secured thereto. The side rails in turn have mating ends which are used to assemble the panels into a continuous surface. A continuous length of artificial grass or turf material (e. g. Astroturf tm) is used to cover the panels to form a reasonably realistic putting surface. The side rails each include a slope adjusting screw, thus enabling the left and right sides of the surface and different, panels of the surface, to be adjusted independently of one another in infinitesimally small increments as desired. The present putting surface may be used to simulate side …
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 August 20, 1998. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended August 20, 2018.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by August 20, 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.