US2645866A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tractor dirt handling attachment
Assignee: Individual
•
Filing: 1947-06-16
•
Granted: 1953-07-21
•
Expires: 1967-06-16
Abstract
No abstract record available.
Inventors
- 👤 Leland T Mcgee
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 16:08
CPC Classifications
E; E02; E02F; E02F3/00; E02F3/04; E02F3/76; E02F3/7609
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2001803A
Cited
US2133549A
Cited
US2121960A
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US2228490A
Cited
US2348899A
Cited
US2404759A
Cited
US2391224A
Cited
US2446136A
Cited
US2559816A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-07-20 | 1957-01-19 | 1957-07-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-07-20 | 1961-01-19 | 1961-07-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-07-20 | 1965-01-19 | 1965-07-21 | $7700.00 | Window Closed / Lapsed |