US1961064A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dirt spreader and grader
Assignee: Individual
•
Filing: 1931-07-06
•
Granted: 1934-05-29
•
Expires: 1951-07-06
Abstract
No abstract record available.
Inventors
- 👤 Charles A Miller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 22:45
CPC Classifications
E; E02; E02F; E02F3/00; E02F3/04; E02F3/64; E02F3/65; E02F3/652; E02F3/6454; E02F3/6472; E02F3/654; E02F3/656
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) | 1937-05-28 | 1937-11-27 | 1938-05-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1941-05-28 | 1941-11-27 | 1942-05-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1945-05-28 | 1945-11-27 | 1946-05-29 | $7700.00 | Window Closed / Lapsed |