US2873969A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Baseball control developer and tester
Assignee: Individual
•
Filing: 1955-05-10
•
Granted: 1959-02-17
•
Expires: 1975-05-10
Abstract
No abstract record available.
Inventors
- 👤 Max G Ziel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 17:56
CPC Classifications
A; A63; A63B; A63B69/00; A63B69/0002; A63F; A63F9/00; A63F9/02; A63F9/0204; A63B2208/00; A63B2208/12
Claims Analysis
Total Claims: 0
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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) | 1962-02-16 | 1962-08-18 | 1963-02-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-02-16 | 1966-08-18 | 1967-02-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-02-16 | 1970-08-18 | 1971-02-17 | $7700.00 | Window Closed / Lapsed |