Golf ball
CA 2395147 A1 · Owner: Callaway Golf Company · Inventors: Tzivanis, Michael J.; Binette, Mark L.; Nesbitt, R. Dennis
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention is directed to a solid non-wound golf ball (8) , comprising two or more components and a cover component. The core components (10) comprise: i) a small, inner, high density spherical center component , (20) comprising a blend of powdered metal and a first matrix material comprising polybutadiene and polyisoprene; and ii) an outer core layer (22) disposed about the spherical center component (20) formed from a second , matrix material selected from the group consisting of a thermoset material a , thermoplastic material, or combinations thereof. The golf ball (8) may further comprise a second or additional outer core layer(s) that surround the first outer core …
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 November 28, 2000. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended November 28, 2020.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by November 28, 2022.
- 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.