US3020694A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tree clearing attachment for tractor
Assignee: Individual
•
Filing: 1960-02-17
•
Granted: 1962-02-13
•
Expires: 1980-02-17
Abstract
No abstract record available.
Inventors
- 👤 Clarence B Foshee
- 👤 Joe A Mccauley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 12:44
CPC Classifications
E; E02; E02F; E02F3/00; E02F3/04; E02F3/18; E02F3/181; A; A01; A01G; A01G23/00; A01G23/02; A01G23/08; A01G23/093; A01G3/00; A01G3/002; E02F3/20
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2620613A
Cited
US2542952A
Cited
US2520488A
Cited
US2691262A
Cited
US2836023A
Cited
US2745331A
Cited
US2941347A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-02-12 | 1965-08-14 | 1966-02-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-02-12 | 1969-08-14 | 1970-02-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-02-12 | 1973-08-14 | 1974-02-13 | $7700.00 | Window Closed / Lapsed |