US4215860A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Golfclub
Assignee: Individual
•
Filing: 1976-11-09
•
Granted: 1980-08-05
•
Expires: 1996-11-09
Abstract
Abstract A golfclub includes a head and gripping means adapted to be grasped by the right and left hands of a golfer which are disposed side by side to each other in a direction transversely to a plane including the striking face of the head.
Inventors
- 👤 Yoshiro Nakamatsu
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 14:57
CPC Classifications
A; A63; A63B; A63B53/00; A63B53/14; A63B60/00; A63B60/06; A63B60/10; A63B60/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
221 words
A golf club comprising a head having a striking face for striking a golf ball, a shaft extending from the head, said shaft having an outer surface of circular cross-section, gripping means on the shaft adapted to be gripped by a golfer's hands to swing the golf club, said gripping means consisting essentially of a square cross-section with four mutually perpendicular flat faces including top and bottom faces and two side faces, each of said top, bottom and side faces being parallel to the axis of the shaft and said side faces being generally parallel to the plane of the striking face of said head, said top face being gripped by the golfer's two thumbs such that the two thumbs are disposed side-by-side substantially parallel to one another and parallel to the plane of the striking face of the head, said bottom face being gripped by the other fingers of the golfer's hands transversely to the plane of the striking face and said side faces being engaged by the golfer's palms, whereby the golf club is swingable by a golfer as the golf club including the striking face passes in a direction perpendicular to the plane of the striking face through parallel planes parallel to the striking face at the point of contact of the striking face with the golf ball.
Claim 2
Dependent Claim
221 words
A golf club comprising a head having a striking face for striking a golf ball, a shaft extending from the head, said shaft having an outer surface of circular cross-section, gripping means on the shaft adapted to be gripped by a golfer's hands to swing the golf club, said gripping means consisting essentially of a square cross-section with four mutually perpendicular flat faces including top and bottom faces and two side faces, each of said top, bottom and side faces being parallel to the axis of the shaft and said side faces being generally parallel to the plane of the striking face of said head, said top face being gripped by the golfer's two thumbs such that the two thumbs are disposed side-by-side substantially parallel to one another and parallel to the plane of the striking face of the head, said bottom face being gripped by the other fingers of the golfer's hands transversely to the plane of the striking face and said side faces being engaged by the golfer's palms, whereby the golf club is swingable by a golfer as the golf club including the striking face passes in a direction perpendicular to the plane of the striking face through parallel planes parallel to the striking face at the point of contact of the striking face with the golf ball.
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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) | 1983-08-05 | 1984-02-04 | 1984-08-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1987-08-05 | 1988-02-04 | 1988-08-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1991-08-05 | 1992-02-04 | 1992-08-05 | $7700.00 | Window Closed / Lapsed |