US2925273A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Baseball training aid
Assignee: Individual
•
Filing: 1958-04-25
•
Granted: 1960-02-16
•
Expires: 1978-04-25
Abstract
No abstract record available.
Inventors
- 👤 William D Pratt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 22:17
CPC Classifications
A; A63; A63B; A63B69/00; A63B69/0002
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US280807A
Cited
US984044A
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US984463A
Cited
US1118727A
Cited
US1628412A
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US1798701A
Cited
US2263052A
Cited
US2325109A
Cited
US2504650A
Cited
US2448731A
Cited
US2709595A
Cited
US2779129A
Cited
US2742733A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-02-15 | 1963-08-17 | 1964-02-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-02-15 | 1967-08-17 | 1968-02-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-02-15 | 1971-08-17 | 1972-02-16 | $7700.00 | Window Closed / Lapsed |