Patent US3308802A successfully refreshed from Google Patents.
US3308802A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Power driven baseball pitching machine with batter signalling means
Assignee: Individual
•
Filing: 1964-04-20
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Granted: 1967-03-14
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Expires: 1984-04-20
Abstract
No abstract record available.
Inventors
- 👤 Applegate Earl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 09:39
CPC Classifications
A; A63; A63B; A63B69/00; A63B69/40; A63B69/406
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
66 words
A BALL PITCHING MACHINE COMPRISING: POWER-DRIVEN MEANS FOR PITCHING BALLS FED THERETO AND SOLENOID OPERATED BALL RELEASE MEANS FOR FEEDING BALLS ONE AT A TIME TO SAID POWER-DRIVEN MEANS; SAID SOLENOID OPERATED BALL RELEASE RELEASING THE BALL UPON DEENERGIZATION OF THE SOLENOID; AND SIGNALING MEANS OPERATIVELY CONNECTED TO THE BALL RELEASE ENERGIZED UPON ENERGIZATION OF THE BALL RELEASE SOLENOID FOR SIGNALING THE BATTER TO GET "SET."
References Cited (Backward Citations)
US2112611A
Cited
US2671549A
Cited
DE843527C
Cited
FR1135124A
Cited
AT196758B
Cited
US2918915A
Cited
US3017184A
Cited
US3132754A
Cited
US3102526A
Cited
US3133733A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-03-13 | 1970-09-12 | 1971-03-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-03-13 | 1974-09-12 | 1975-03-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-03-13 | 1978-09-12 | 1979-03-14 | $7700.00 | Window Closed / Lapsed |