Tossing ring
CA 1313205 C · Owner: Richards, Marvin D. · Inventors: Richards, Marvin D.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A tossing ring which is particularly useful in the playing of having an annular body constructed of lightweight foam material. The annular body includes a plurality of flat surfaces on the outer surface of the annulus. Also included, in the annular body is an upper surface and a parallel bottom surface. A pair of side surfaces are also provided and are substantially perpendicular to the upper and lower surfaces. A pair of mitred surfaces interrupt the connection of the upper surface and the outer side surface, as well as the lower surface and the inner side surface. The annular body may split into two portions and be combined with a gasket held in interposition with the split portions of …
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 January 26, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 26, 2010.
- 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.