US2942361A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ditching attachment for tractors or the like
Assignee: Individual
•
Filing: 1955-06-21
•
Granted: 1960-06-28
•
Expires: 1975-06-21
Abstract
No abstract record available.
Inventors
- 👤 Walter M Pope
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 20:02
CPC Classifications
E; E02; E02F; E02F3/00; E02F3/04; E02F3/76; E02F3/7622; E02F3/7627; E02F5/00; E02F5/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
CA483528A
Cited
US1051811A
Cited
US1923412A
Cited
US1964359A
Cited
US2370830A
Cited
US2636289A
Cited
US2677203A
Cited
US2663099A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-06-28 | 1963-12-28 | 1964-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-06-28 | 1967-12-28 | 1968-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-06-28 | 1971-12-28 | 1972-06-28 | $7700.00 | Window Closed / Lapsed |