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US2657058A
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US
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Pitcher's control target with automatic ball return
Assignee: Individual
•
Filing: 1951-09-04
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Granted: 1953-10-27
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Expires: 1971-09-04
Abstract
No abstract record available.
Inventors
- 👤 Mulcahy Hugh
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 22:01
CPC Classifications
A; A63; A63B; A63B63/00; A63B69/00; A63B69/0002; A63B2069/0004; A63B2069/0006; A63B69/40; A63B69/407; A63B69/408
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US691299A
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US1201626A
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US1204645A
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US1223386A
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US1213577A
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US1511439A
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US1707726A
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US1733394A
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US1821755A
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US1825882A
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US2059365A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-10-26 | 1957-04-27 | 1957-10-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-10-26 | 1961-04-27 | 1961-10-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-10-26 | 1965-04-27 | 1965-10-27 | $7700.00 | Window Closed / Lapsed |