US3343843A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Simulated golfing turf in which divot depressions may be produced and studied
Assignee: Individual
•
Filing: 1964-10-26
•
Granted: 1967-09-26
•
Expires: 1984-10-26
Abstract
No abstract record available.
Inventors
- 👤 John A Stanko
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 00:27
CPC Classifications
A; A63; A63B; A63B69/00; A63B69/36; A63B69/3661; A63B2069/3664
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
107 words
A GOLF TRAINING DEVICE COMPRISING A BASE MEMBER, A SURFACE OF CLOSELY-SPACED ELEMENTS PROJECTING UPWARDLY THEREFROM, THE QUANTITY AND STRUCTURAL CHARACTERISTICS OF SAID ELEMENTS BEING SUCH THAT SAID ELEMEENTS MAY BE BENT OVER IN RESPONSE TO THE MOVEMENT OF A GOLF CLUB HEAD THERETHROUGH, AND WILL RETAIN THEIR BENT OVER CONDITION SO THAT DEPRESSIONS SIMULATING THE VARIOUS FORMS OF DIVOTAL DEPRESSIONS THAT ARE PRODUCED IN REAL TURF BY SWUNG GOLF CLUDS MAY BE PRODUCED AND STUDIED, AND INDEX MEANS ON THE SAID DEVICE FOR DETERMINING SWING CHARACTERISTICS OF A GOLFER BY NOTING RELATIVE THERETO THE LOCATION AND ORIENTATION OF DEPRESSIONS PRODUCED IN SAID LAYER BY SAID GOLFER.
Claim 2
Dependent Claim
107 words
A GOLF TRAINING DEVICE COMPRISING A BASE MEMBER, A SURFACE OF CLOSELY-SPACED ELEMENTS PROJECTING UPWARDLY THEREFROM, THE QUANTITY AND STRUCTURAL CHARACTERISTICS OF SAID ELEMENTS BEING SUCH THAT SAID ELEMEENTS MAY BE BENT OVER IN RESPONSE TO THE MOVEMENT OF A GOLF CLUB HEAD THERETHROUGH, AND WILL RETAIN THEIR BENT OVER CONDITION SO THAT DEPRESSIONS SIMULATING THE VARIOUS FORMS OF DIVOTAL DEPRESSIONS THAT ARE PRODUCED IN REAL TURF BY SWUNG GOLF CLUDS MAY BE PRODUCED AND STUDIED, AND INDEX MEANS ON THE SAID DEVICE FOR DETERMINING SWING CHARACTERISTICS OF A GOLFER BY NOTING RELATIVE THERETO THE LOCATION AND ORIENTATION OF DEPRESSIONS PRODUCED IN SAID LAYER BY SAID GOLFER.
References Cited (Backward Citations)
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Cited
US3018109A
Cited
US3107920A
Cited
US3139283A
Cited
GB930715A
Cited
US3143350A
Cited
CH661248A5
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-09-25 | 1971-03-27 | 1971-09-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-25 | 1975-03-27 | 1975-09-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-25 | 1979-03-27 | 1979-09-26 | $7700.00 | Window Closed / Lapsed |