Patent US2156305A successfully refreshed from Google Patents.
Patent US3989256A successfully refreshed from Google Patents.
US3989256A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Golf club
Assignee: Individual
•
Filing: 1971-04-06
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Granted: 1976-11-02
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Expires: 1991-04-06
Abstract
Abstract A golf club which is composed of a shaft and attached to the shaft a head member having a limited area elevated striking surface disposed on a lateral face of the head member and adapted to reduce error due to mishitting, to improve concentration, to obtain consistently solid putting and to produce normal spin, overspin, or underspin in a golf ball without varying the normal golf stroke of the player.
Inventors
- 👤 Edward Cicero
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 17:58
CPC Classifications
A; A63; A63B; A63B53/00; A63B53/04; A63B53/0487; A63B53/0458; A63B53/0441
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
190 words
An improved golf club comprising a shaft and handle portion, a head member attached to the shaft, a substantially narrow rectilinear limited area elevated striking surface disposed on the lateral face of said head member, said lateral face being substantially planar, said striking surface being substantially planar and projecting a predetermined distance from and substantially parallel to the base of said lateral face, below the upper and above the lower horizontal boundaries of said lateral face, said striking surface extending intermediate the ends of said head member and continously diagonally across said lateral face from the toe end to the heel end of said head member and having a central portion located at a vertical distance above the lower horizontal boundary of said head member equivalent to the center of gravity of a conventional golf ball and having the portion of said striking surface located between said central portion and said toe end at a vertical distance above the ball's center of gravity and having the portion of said striking surface located between said central portion and said heel end at a vertical distance below the ball's center of gravity.
Claim 2
Dependent Claim
190 words
An improved golf club comprising a shaft and handle portion, a head member attached to the shaft, a substantially narrow rectilinear limited area elevated striking surface disposed on the lateral face of said head member, said lateral face being substantially planar, said striking surface being substantially planar and projecting a predetermined distance from and substantially parallel to the base of said lateral face, below the upper and above the lower horizontal boundaries of said lateral face, said striking surface extending intermediate the ends of said head member and continously diagonally across said lateral face from the toe end to the heel end of said head member and having a central portion located at a vertical distance above the lower horizontal boundary of said head member equivalent to the center of gravity of a conventional golf ball and having the portion of said striking surface located between said central portion and said toe end at a vertical distance above the ball's center of gravity and having the portion of said striking surface located between said central portion and said heel end at a vertical distance below the ball's center of gravity.
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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) | 1979-11-02 | 1980-05-03 | 1980-11-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-11-02 | 1984-05-03 | 1984-11-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-11-02 | 1988-05-03 | 1988-11-02 | $7700.00 | Window Closed / Lapsed |