Patent US2645487A successfully refreshed from Google Patents.
US2645487A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Baseball
Assignee: H HARWOOD AND SONS Inc
•
Filing: 1949-03-30
•
Granted: 1953-07-14
•
Expires: 1969-03-30
Abstract
No abstract record available.
Inventors
- 👤 Edward H Hawes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 22:47
CPC Classifications
A; A63; A63B; A63B37/00; A63B37/12; A63B2037/125
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-07-13 | 1957-01-12 | 1957-07-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-07-13 | 1961-01-12 | 1961-07-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-07-13 | 1965-01-12 | 1965-07-14 | $7700.00 | Window Closed / Lapsed |