US3791655A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Solid rubber golf ball
Assignee: Acushnet Co
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Filing: 1971-12-01
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Granted: 1974-02-12
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Expires: 1991-12-01
Abstract
Abstract A solid rubber golf ball is disclosed. The golf ball is made from a composition comprising polybutadiene and an unsaturated carboxamide cross-linking said polybutadiene with hydrogen bonding.
Inventors
- 👤 G Schweiker
- 👤 J Jepson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 18:23
CPC Classifications
A; A63; A63B; A63B37/00; A63B37/0003; A63B37/0023; A63B37/0024; A63B37/0026; A63B37/005; A63B37/007; A63B37/0072; A63B37/0074; Y; Y10; Y10S; Y10S273/00; Y10S273/10
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
16 words
The golf ball of claim 1 wherein the polybutadiene comprises at least 90% cis 1,4 polybutadiene.
Claim 2
Dependent Claim
11 words
The golf ball of claim 1 wherein the carboxamide is methacrylamide
Claim 3
Dependent Claim
11 words
The golf ball of claim 1 wherein the carboxamide is acrylamide.
Claim 4
Dependent Claim
12 words
The golf ball of claim 1 wherein the carboxamide is diacetone acrylamide.
Claim 5
Dependent Claim
74 words
A solid unitary golf ball having good click and feel comprising a cured composition of polybutadiene having at least a 90% cis 1,4 content and per 100 parts of polybutadiene, from about 10 to about 25 parts of a carboxamide selected from the group consisting of acrylamide and methacrylamide, said carboxamide being graft polymerized to said polybutadiene and further comprising a filler in sufficient amount to impart good click and feel to the ball.
Claim 6
Dependent Claim
22 words
The golf ball of claim 6 further including per 100 parts of polybutadiene from about 1 to about 5 parts titanium dioxide.
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) | 1977-02-11 | 1977-08-13 | 1978-02-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-02-11 | 1981-08-13 | 1982-02-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-02-11 | 1985-08-13 | 1986-02-12 | $7700.00 | Window Closed / Lapsed |