Patent US3342487A successfully refreshed from Google Patents.
US3342487A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Baseball stance and stride practice plate
Assignee: Individual
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Filing: 1964-12-14
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Granted: 1967-09-19
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Expires: 1984-12-14
Abstract
No abstract record available.
Inventors
- 👤 David J David
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 10:18
CPC Classifications
A; A63; A63B; A63B69/00; A63B69/0002; A63B69/36; A63B69/3667
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
130 words
A STANCE AND STRIDE PRACTICE PLATE FOR A BASEBALL HITTER, FOR USE WITH A HOME BASE, COMPRISING: (A) A FLAT PLATE; (B) A FIRST GENERALLY STRAIGHT FOOT GUIDE MEMBER SECURED ADJACENT ONE EDGE OF THE PLATE ADAPTED TO BE DISPOSED IN A PARALLEL POSITION WITH THE ADJACENT EDGE OF A HOME BASE; (C) A SECOND FOOT GUIDE MEMBER SECURED ADJACENT ONE SIDE EDGE OF THE PLATE IN PERPENDICULAR RELATIONSHIP TO SAID FIRST GUIDE MEMBER; AND (D) AT LEAST A PAIR OF FOOT GUIDE MEMBERS ON THE PLATE IN LATERALLY SPACED APART POSITIONS FROM SAID SECOND FOOT GUIDE MEMBER AND FROM EACH OTHER DIAGONALLY DISPOSED ACROSS SAID PLATE, THE ENDS ADJACENT SAID FIRST GUIDE MEMBER BEING A SUBSTANTIALLY GREATER PERPENDICULAR DISTANCE FROM SAID SECOND GUIDE MEMBER THAN THE OPPOSITE ENDS THEREOF.
Claim 2
Dependent Claim
130 words
A STANCE AND STRIDE PRACTICE PLATE FOR A BASEBALL HITTER, FOR USE WITH A HOME BASE, COMPRISING: (A) A FLAT PLATE; (B) A FIRST GENERALLY STRAIGHT FOOT GUIDE MEMBER SECURED ADJACENT ONE EDGE OF THE PLATE ADAPTED TO BE DISPOSED IN A PARALLEL POSITION WITH THE ADJACENT EDGE OF A HOME BASE; (C) A SECOND FOOT GUIDE MEMBER SECURED ADJACENT ONE SIDE EDGE OF THE PLATE IN PERPENDICULAR RELATIONSHIP TO SAID FIRST GUIDE MEMBER; AND (D) AT LEAST A PAIR OF FOOT GUIDE MEMBERS ON THE PLATE IN LATERALLY SPACED APART POSITIONS FROM SAID SECOND FOOT GUIDE MEMBER AND FROM EACH OTHER DIAGONALLY DISPOSED ACROSS SAID PLATE, THE ENDS ADJACENT SAID FIRST GUIDE MEMBER BEING A SUBSTANTIALLY GREATER PERPENDICULAR DISTANCE FROM SAID SECOND GUIDE MEMBER THAN THE OPPOSITE ENDS THEREOF.
References Cited (Backward Citations)
US3051486A
Cited
US3039771A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-09-18 | 1971-03-20 | 1971-09-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-18 | 1975-03-20 | 1975-09-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-18 | 1979-03-20 | 1979-09-19 | $7700.00 | Window Closed / Lapsed |