Three piece distance golf ball with dimples
CA 2376171 A1 · Owner: Dunlop Slazenger Group Americas Inc. · Inventors: Wallace, George R.; Kuttappa, Sanjay M.; Lemons, Lane D.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A three piece golf ball (1) has a center compression in the range of about 40 PGA to 60 PGA, a center (5) weight in the range of about 27.5 grams to 28.5 grams, a core (6) compression in the range of about 60 PGA to 80 PGA a core , weight in the range of about 34.5 grams to 35.5 grams a cover (2) hardness in , the range of 63 to 69 Shore D and an ionomer cover composition wherein the ionomer mixture comprises a blend of about 75 % by weight of a high resilience ionomer and about 25 % by weight of a very low modulus ionomer. In addition the present invention provides a golf ball (1) having a plurality of dimples (200, 202, 204), of about 402 in number arranged on its outer surface, …
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 1, 2000. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended May 1, 2020.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by May 1, 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.