Patent US4145055A successfully refreshed from Google Patents.
US4145055A
Expired / Lapsed
US
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Golf training device
Assignee: Individual
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Filing: 1977-09-19
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Granted: 1979-03-20
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Expires: 1997-09-19
Abstract
Abstract A golf training device, preferably simulating a conventional golf ball with respect to size and shape is provided with an annular magnet adapted to removably attach the training device to a spike of a golf shoe.
Inventors
- 👤 John P. O'Brien
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 12:55
CPC Classifications
A; A63; A63B; A63B69/00; A63B69/36; A63B69/3667; A63B69/3673
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
76 words
A golf training device adapted to be removably affixed to a golf shoe, said training device comprising a support member, said support member being substantially spherical with a diameter from 1.6 to 1.75 inches, an annular magnet mounted on the upper surface of said support member, said annular magnet having an upper surface complementary to the flange of a standard golf spike, and an axial opening adapted to receive the shank of a standard golf spike.
Claim 2
Dependent Claim
76 words
A golf training device adapted to be removably affixed to a golf shoe, said training device comprising a support member, said support member being substantially spherical with a diameter from 1.6 to 1.75 inches, an annular magnet mounted on the upper surface of said support member, said annular magnet having an upper surface complementary to the flange of a standard golf spike, and an axial opening adapted to receive the shank of a standard golf spike.
Claim 3
Dependent Claim
29 words
A golf training device as described in claim 1, wherein said annular magnet is adapted to maintain a substantial face-to-face contact with the flange of a standard golf spike.
Claim 4
Dependent Claim
32 words
A golf training device as described in claim 1, wherein said annular magnet has a diameter equal to at least three-quarters of the diameter of the flange of a standard golf spike.
Claim 5
Dependent Claim
22 words
A golf training device as described in claim 1, wherein said support member has a general appearance similar to a golf ball.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1982-03-19 | 1982-09-18 | 1983-03-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1986-03-19 | 1986-09-18 | 1987-03-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1990-03-19 | 1990-09-18 | 1991-03-20 | $7700.00 | Window Closed / Lapsed |