Golf ball with sulfur cured inner core component
CA 2450737 A1 · Owner: The Top-Flite Golf Company · Inventors: Nesbitt, R. Dennis
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A gold ball (10) is disclosed that includes a core assembly comprising a center core component (14), at least one core layer (18) and a cover , comprising at least one layer (16). The center core component preferably is formed from a sulfur cured polybutadiene. The core layer component preferably is formed from a peroxide cured polybutadiene and a metal salt of an unsaturated fatty acid such as zinc diacrylate or zinc dimethacrylate. The resulting golf ball of the present invention provides enhanced playability characteristics without sacrificing distance or durability properties.
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 June 27, 2002. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended June 27, 2022.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by June 27, 2024.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
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.