US4123056A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Golfclub
Assignee: Individual
•
Filing: 1976-11-30
•
Granted: 1978-10-31
•
Expires: 1996-11-30
Abstract
Abstract A golfclub includes a club head having two connected and opposed members which are spaced from one another whereby one of the members is adapted to strike a golfball such that the member vibrates to produce a sound by which a golfer can judge the area of the club head which strikes the golfball.
Inventors
- 👤 Yoshiro Nakamatsu
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 19:19
CPC Classifications
A; A63; A63B; A63B53/00; A63B53/04; A63B53/0487; A63B69/00; A63B69/36; A63B69/3623; A63B69/3632; A63B69/3635; A63B71/00; A63B71/06; A63B71/0619; A63B71/0622; A63B2071/0625; A63B60/00; A63B60/54
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
198 words
A golfclub comprising a club-head and a shaft, said club-head having two opposed members spaced from one another, each of said opposed members having longitudinal end portions with one end portion of one of said members being integrally joined to one end portion of the other opposed member and the other end portion of said one member being spaced from the other end portion of the other opposed member, the distance between the end portions of said one member being substantially equal to the distance between the end portions of said other member, said opposed members each having an upper edge and a lower edge with each upper and lower edge extending between said end portions of the respective member, said upper edges of said opposed members being spaced from one another, said lower edges of said opposed members being spaced from one another, said one member having a flat striking face adapted to strike a golfball such that said one member vibrates relative to said other member upon striking of said golfball to produce an audible sound indicative of the position on said one member which struck the golfball, said shaft being connected to said other member.
Claim 2
Dependent Claim
198 words
A golfclub comprising a club-head and a shaft, said club-head having two opposed members spaced from one another, each of said opposed members having longitudinal end portions with one end portion of one of said members being integrally joined to one end portion of the other opposed member and the other end portion of said one member being spaced from the other end portion of the other opposed member, the distance between the end portions of said one member being substantially equal to the distance between the end portions of said other member, said opposed members each having an upper edge and a lower edge with each upper and lower edge extending between said end portions of the respective member, said upper edges of said opposed members being spaced from one another, said lower edges of said opposed members being spaced from one another, said one member having a flat striking face adapted to strike a golfball such that said one member vibrates relative to said other member upon striking of said golfball to produce an audible sound indicative of the position on said one member which struck the golfball, said shaft being connected to said other member.
Claim 3
Dependent Claim
19 words
A golfclub according to claim 1 wherein said shaft is connected substantially to the mid-section of said other member.
Claim 4
Dependent Claim
24 words
A golfclub according to claim 2 wherein one longitudinal end of said one member is joined to one longitudinal end of said other member.
Claim 5
Dependent Claim
24 words
A golfclub according to claim 1 wherein said other member has a V-shaped configuration, said shaft being connected to the apex of the V.
References Cited (Backward Citations)
US1154490A
Cited
US3042405A
Cited
US3061310A
Cited
US3319962A
Cited
US3679207A
Cited
US3851877A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1981-10-30 | 1982-05-01 | 1982-10-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1985-10-30 | 1986-05-01 | 1986-10-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1989-10-30 | 1990-05-01 | 1990-10-31 | $7700.00 | Window Closed / Lapsed |