US1983350A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sled cultivator
Assignee: Individual
•
Filing: 1933-10-16
•
Granted: 1934-12-04
•
Expires: 1953-10-16
Abstract
No abstract record available.
Inventors
- 👤 Chester C Dunbar
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 22:57
CPC Classifications
E; E02; E02F; E02F5/00; E02F5/02; E02F5/027; A; A01; A01B; A01B39/00; A01B39/12; A01B39/18
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1937-12-03 | 1938-06-04 | 1938-12-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1941-12-03 | 1942-06-04 | 1942-12-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1945-12-03 | 1946-06-04 | 1946-12-04 | $7700.00 | Window Closed / Lapsed |