US4200286A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Set of torque-balanced golf clubs
Assignee: Individual
•
Filing: 1977-12-09
•
Granted: 1980-04-29
•
Expires: 1997-12-09
Abstract
Abstract The torque of each club about its shaft measured with the club oriented at the angle at which it is used to address the ball is substantially the same as the corresponding torque of every other club in the set.
Inventors
- 👤 Richard C. Bennett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 12:42
CPC Classifications
A; A63; A63B; A63B53/00; A63B53/04; A63B53/0458; A63B53/005
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
111 words
A set of at least four torque-balanced golfing clubs, each comprising a shaft and a head at one end thereof, the shafts of said clubs having different lengths, and the heads having different weights and different loft angles, the head of each club being adapted to rest on the ground such that a predetermined different angle is formed between the associated shaft and the ground, the weight distribution of each of said heads being such that the torque of each club about its shaft axis with the club oriented at its associated predetermined angle being substantially the same as the corresponding torque of every other club in said set of clubs.
Claim 2
Dependent Claim
111 words
A set of at least four torque-balanced golfing clubs, each comprising a shaft and a head at one end thereof, the shafts of said clubs having different lengths, and the heads having different weights and different loft angles, the head of each club being adapted to rest on the ground such that a predetermined different angle is formed between the associated shaft and the ground, the weight distribution of each of said heads being such that the torque of each club about its shaft axis with the club oriented at its associated predetermined angle being substantially the same as the corresponding torque of every other club in said set of clubs.
Claim 3
Dependent Claim
17 words
The set of torque-balanced golfing clubs of claim 1, wherein each of said clubs is an iron.
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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) | 1983-04-29 | 1983-10-29 | 1984-04-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1987-04-29 | 1987-10-29 | 1988-04-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1991-04-29 | 1991-10-29 | 1992-04-29 | $7700.00 | Window Closed / Lapsed |