US4968038A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Large-sized two piece solid golf ball
Assignee: Dunlop Sports Co Ltd
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Filing: 1989-01-03
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Granted: 1990-11-06
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Expires: 2009-01-03
Abstract
Abstract A large-sized (1.68 inches) two piece solid golf ball superior in flight distance, comprising a solid core and a cover having a thickness of 2.10 to 2.30 mm. and a Shore D hardness of not less than 65, the total volume of dimples being from 330 to 365 mm 3 .
Inventors
- 👤 Mikio Yamada
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 12:44
CPC Classifications
A; A63; A63B; A63B37/00; A63B37/12; A63B37/0003; A63B37/0004; A63B37/0017; A63B37/0023; A63B37/0029; A63B37/0031; A63B37/0033; A63B37/007; A63B37/0072; A63B37/0074; A63B37/0077; A63B37/008; A63B37/0084; Y; Y10; Y10S; Y10S273/00; Y10S273/22
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
89 words
A two piece solid golf ball comprising a solid core and a cover for covering the solid core, said cover having a thickness of 2.10 to 2.30 mm, a Shore D hardness of not less than 65, and the outer periphery of said ball having a plurality of dimples formed therein, each of said dimples having the form of a circle in cross section, and the dimples having a diameter and a depth to provide a total dimple volume in the range of 330 to 365 mm 3 .
Claim 2
Dependent Claim
89 words
A two piece solid golf ball comprising a solid core and a cover for covering the solid core, said cover having a thickness of 2.10 to 2.30 mm, a Shore D hardness of not less than 65, and the outer periphery of said ball having a plurality of dimples formed therein, each of said dimples having the form of a circle in cross section, and the dimples having a diameter and a depth to provide a total dimple volume in the range of 330 to 365 mm 3 .
Claim 3
Dependent Claim
70 words
A two piece solid golf ball comprising a solid core enclosed in a cover, said cover having an average thickness of 2.10 to 2.30 mm, a Shore D hardness of not less than 65, and a plurality of dimples in the outer periphery of the ball, said dimples having a cross section in the form of a circle, and a total dimple volume of 330 to 365 mm 3 .
Claim 4
Dependent Claim
70 words
A two piece solid golf ball comprising a solid core enclosed in a cover, said cover having an average thickness of 2.10 to 2.30 mm, a Shore D hardness of not less than 65, and a plurality of dimples in the outer periphery of the ball, said dimples having a cross section in the form of a circle, and a total dimple volume of 330 to 365 mm 3 .
Claim 5
Dependent Claim
13 words
The golf ball of claim 1, wherein said cover comprises an ionomer resin.
Claim 6
Dependent Claim
19 words
The golf ball of claim 1, wherein said solid core is made of a rubber composition comprising cis-1,4-butadiene rubber.
Claim 7
Dependent Claim
17 words
The golf ball of claim 1, wherein said cover has a thickness of 2.10 to 2.20 mm.
Claim 8
Dependent Claim
21 words
The golf ball of claim 1, wherein the total volume of the dimples is from 345 to 350 mm 3 .
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1993-11-05 | 1994-05-07 | 1994-11-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1997-11-05 | 1998-05-07 | 1998-11-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2001-11-05 | 2002-05-07 | 2002-11-06 | $7700.00 | Window Closed / Lapsed |