Patent US2925811A successfully refreshed from Google Patents.
US2925811A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ball throwing machine
Assignee: Individual
•
Filing: 1958-03-19
•
Granted: 1960-02-23
•
Expires: 1978-03-19
Abstract
No abstract record available.
Inventors
- 👤 Jay E Cook
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 13:22
CPC Classifications
A; A63; A63B; A63B69/00; A63B69/40; A63B69/406; F; F41; F41J; F41J9/00; F41J9/16; F41J9/18
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1963-02-22 | 1963-08-24 | 1964-02-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-02-22 | 1967-08-24 | 1968-02-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-02-22 | 1971-08-24 | 1972-02-23 | $7700.00 | Window Closed / Lapsed |