US4173345A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Golf ball
Assignee: Colgate Palmolive Co
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Filing: 1978-06-26
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Granted: 1979-11-06
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Expires: 1998-06-26
Abstract
Abstract A golf ball wherein an elastomeric spherical core is formed with a series of narrow shallow surface channels each lying on great circles passing through opposite pole areas, and similar hemispherical cover shells are compression molded upon the core and joined along a transverse seam lying in a plane that intersects all of the great circles, preferably at about 90°.
Inventors
- 👤 Terence W. Pocklington
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 14:45
CPC Classifications
A; A63; A63B; A63B37/00; A63B37/0003; A63B37/007; A63B37/0077; A63B37/0097; A63B37/005; A63B37/006; A63B37/0064; A63B37/0072; A63B37/0074; A63B37/02
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
61 words
A compression molded golf ball consisting of an elastic spherical core having a plurality of angularly related shallow surface channels all lying on the paths of great circles passing through opposite poles on the core surface and a relatively thin cover of durable synthetic plastic material the inner surface of which envelopes said core surface and conformally completely occupies said channels.
Claim 2
Dependent Claim
61 words
A compression molded golf ball consisting of an elastic spherical core having a plurality of angularly related shallow surface channels all lying on the paths of great circles passing through opposite poles on the core surface and a relatively thin cover of durable synthetic plastic material the inner surface of which envelopes said core surface and conformally completely occupies said channels.
Claim 3
Dependent Claim
50 words
The golf ball defined in claim 1, wherein said core is a substantially homogeneous synthetic rubber sphere, and the cover material is a copolymer of ethylene and at least one unsaturated monocarboxylic acid containing from three to eight carbon atoms, the copolymer containing up to thirty percent of the acid.
Claim 4
Dependent Claim
21 words
The golf ball defined in claim 1, wherein the core surface has a plurality of said channels in equiangularly spaced relation.
Claim 5
Dependent Claim
28 words
The golf ball defined in claim 1, wherein the core is about 1.5 inches in diameter and the channels are about 1/16 inches wide and 1/16 inches deep.
Claim 6
Dependent Claim
33 words
The golf ball defined in claim 1 wherein the cover consists of two similar hemispherical cover shells substantially centered with respect to said poles and joined along a continuous generally transverse equatorial seam.
Claim 7
Dependent Claim
33 words
The golf ball defined in claim 5 wherein said seam lies in a plane that intersects the planes of all of the channel great circle planes at an angle between 45° and 135°.
Claim 8
Dependent Claim
21 words
The golf ball defined in claim 6 wherein the plane of the seam intersects each great circle plane at about 90°.
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US1558706A
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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) | 1982-11-05 | 1983-05-07 | 1983-11-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1986-11-05 | 1987-05-07 | 1987-11-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1990-11-05 | 1991-05-07 | 1991-11-06 | $7700.00 | Window Closed / Lapsed |