US4346898A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Putting golf ball
Assignee: Individual
•
Filing: 1979-07-09
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Granted: 1982-08-31
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Expires: 1999-07-09
Abstract
Abstract A putting golf ball having concave depressions of 0.08 inch to 0.02 inch surface diameter, 0.002 to 0.014 inch depth, covering 20 to 90% of the surface of the ball.
Inventors
- 👤 Frank C. Badke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 17:07
CPC Classifications
A; A63; A63B; A63B37/00; A63B37/0003; A63B37/0004; A63B37/0006; A63B37/0007; A63B37/0009; A63B37/0012; A63B37/0019; A63B37/002; A63B37/0021; A63B37/007; A63B37/0072; A63B37/0074
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
39 words
A putting golf ball having a plurality of concave surface depressions over the surface thereof, each of said depressions having a surface diameter in the range of 0.020 inches to 0.080 inches having improved line of putting stroke accuracy.
Claim 2
Dependent Claim
39 words
A putting golf ball having a plurality of concave surface depressions over the surface thereof, each of said depressions having a surface diameter in the range of 0.020 inches to 0.080 inches having improved line of putting stroke accuracy.
Claim 3
Dependent Claim
23 words
The putting golf ball according to claim 1 wherein the depth of each depression is in the range of 0.002 to 0.014 inch.
Claim 4
Dependent Claim
23 words
The putting golf ball according to claim 2 wherein said depressions cover from 20 to 90% of the surface area of the ball.
Claim 5
Dependent Claim
23 words
The putting golf ball according to claim 3 wherein said depressions cover from 40 to 80% of the surface area of the ball.
Claim 6
Dependent Claim
32 words
The putting golf ball according to claim 2 wherein said depressions have a substantially uniform size and depth and are evenly spaced over 20 to 90% of the surface of the ball.
Claim 7
Dependent Claim
16 words
The putting golf ball according to claim 5 wherein said depressions are substantially uniform in shape.
Claim 8
Dependent Claim
13 words
The putting golf ball according to claim 6 wherein the depressions are spheroid.
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) | 1985-08-30 | 1986-03-01 | 1986-08-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1989-08-30 | 1990-03-01 | 1990-08-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1993-08-30 | 1994-03-01 | 1994-08-31 | $7700.00 | Window Closed / Lapsed |