Patent CA705797A successfully refreshed from Google Patents.
US3756607A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Golf ball having improved physical properties
Assignee: GLOBETROTTER COMMUNICATIONS IN
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Filing: 1971-04-16
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Granted: 1973-09-04
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Expires: 1991-04-16
Abstract
Abstract This invention relates to molded golf balls formed from a composition of matter by vulcanization and which ball includes fumed silica as a reenforcing ingredient to improve the cut and/or impact resistance and to improve the initial velocity of the ball in play.
Inventors
- 👤 E Lukinac
- 👤 J Massa
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 20:30
CPC Classifications
A; A63; A63B; A63B37/00; A63B37/0003; A63B37/005; A63B37/007; A63B37/0072; A63B37/0073; A63B37/0077; A63B37/008; A63B37/0083; A63B37/0084; A63B37/0087; Y; Y10; Y10S; Y10S273/00; Y10S273/04; Y10S273/10; Y10S273/16; Y10S273/29
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
13 words
A molded golf ball as in claim 1 wherein the composition includes gamma-mercaptopropyltrimethoxysilane.
Claim 2
Dependent Claim
21 words
A molded ball as in claim 1 wherein the elastomer is a polybutadiene and the hardening monomer is trimethylol propane trimethacrylate.
Claim 3
Dependent Claim
33 words
A molded golf ball composition as in claim 1 where from about 15 to about 31 parts of fumed silica are uniformly distributed in the ball, the ball having good cut resistant properties.
Claim 4
Dependent Claim
27 words
A molded golf ball as in claim 4 where the composition included from about 1 to 20 parts of natural rubber as part of the diene elastomer.
Claim 5
Dependent Claim
23 words
A molded golf ball as in claim 1 where said polyethylene has a molecular weight of between about 1.5 and about 2.5 million.
Claim 6
Dependent Claim
91 words
A molded ball meeting U.S.G.A. requirements for a golf ball formed of a vulcanizate of a composition consisting essentially of about 100 parts by weight of a diene elastomer, about 20 to 70 parts by weight of an acrylate or methacrylate ester type polyfunctional hardening monomer, about 0.5 to 10 parts by weight of a peroxide curling agent, about 14 to 21 parts by weight of an ultra high molecular weight polyethylene and about 15 to 31 parts by weight of fumed silica, per 100 parts by weight of the elastomer.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-09-03 | 1977-03-05 | 1977-09-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-09-03 | 1981-03-05 | 1981-09-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-09-03 | 1985-03-05 | 1985-09-04 | $7700.00 | Window Closed / Lapsed |