US3759527A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Golf club
Assignee: Individual
•
Filing: 1971-04-19
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Granted: 1973-09-18
•
Expires: 1991-04-19
Abstract
Abstract The invention involves a substitute club head in the approximate form of an annulus or a sphere or section of a sphere having an endless succession of striking faces all around the club head. The shaft is positioned through the top surface of the club head and is received within a sleeve being coaxial and in alignment with the radius of the sphere. The sleeve cooperates with a weight means in a weight receptacle which is secured within said receptacle within the club head and wherein the weight means and weight securement means are coaxial and aligned with the shaft and shaft receiving sleeve.
Inventors
- 👤 W Witherspoon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 14:02
CPC Classifications
A; A63; A63B; A63B69/00; A63B69/36; A63B69/3623; A63B69/3632; A63B53/00; A63B53/02; A63B53/04; A63B53/0437; A63B53/0466; A63B53/08; A63B60/00; A63B15/00; A63B2053/0491; A63B53/0433
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
188 words
A golf club comprising: a. a shaft; b. a club head having at least a hemispherical upper surface, and having an opening through the radius thereof and having a bottom sole surface; c. a shaft receiving sleeve positioned through the top surface of said club head and terminating a predetermined distance within said club head and having external threads for mating engagement with internal threads of said club head, and wherein means secure said shaft within said shaft receiving sleeve; d. said shaft and said shaft receiving sleeve being coaxial and in alignment with the radius of said club head, wherein said radius is at right angles to the horizontal plane passing through the great circle of said club head; e. a weighting receptacle removably fitted through said bottom surface of said club head; f. weight means located within said weighting receptacle; and g. weight securement means securing said weight means within said weighting receptacle and enclosing said weighting receptacle within said club head, and wherein said weighting receptacle, said weight means and said weight securement means are coaxial and aligned with said shaft and shaft receiving sleeve.
Claim 2
Dependent Claim
188 words
A golf club comprising: a. a shaft; b. a club head having at least a hemispherical upper surface, and having an opening through the radius thereof and having a bottom sole surface; c. a shaft receiving sleeve positioned through the top surface of said club head and terminating a predetermined distance within said club head and having external threads for mating engagement with internal threads of said club head, and wherein means secure said shaft within said shaft receiving sleeve; d. said shaft and said shaft receiving sleeve being coaxial and in alignment with the radius of said club head, wherein said radius is at right angles to the horizontal plane passing through the great circle of said club head; e. a weighting receptacle removably fitted through said bottom surface of said club head; f. weight means located within said weighting receptacle; and g. weight securement means securing said weight means within said weighting receptacle and enclosing said weighting receptacle within said club head, and wherein said weighting receptacle, said weight means and said weight securement means are coaxial and aligned with said shaft and shaft receiving sleeve.
Claim 3
Dependent Claim
22 words
A golf club as claimed in claim 1 wherein the bottom sole surface is hemispherical forming the club head into a sphere.
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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) | 1976-09-17 | 1977-03-19 | 1977-09-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-09-17 | 1981-03-19 | 1981-09-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-09-17 | 1985-03-19 | 1985-09-18 | $7700.00 | Window Closed / Lapsed |