US2458984A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Football instructing device
Assignee: Individual
•
Filing: 1945-02-05
•
Granted: 1949-01-11
•
Expires: 1965-02-05
Abstract
No abstract record available.
Inventors
- 👤 Charles A Engle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 12:11
CPC Classifications
A; A63; A63B; A63B69/00; A63B69/34
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1452340A
Cited
US1484390A
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US1605662A
Cited
US2158475A
Cited
US1954424A
Cited
US1986941A
Cited
US2236894A
Cited
US2354050A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-01-11 | 1952-07-12 | 1953-01-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-01-11 | 1956-07-12 | 1957-01-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-01-11 | 1960-07-12 | 1961-01-11 | $7700.00 | Window Closed / Lapsed |