US1814094A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Earth excavator for tile ditching
Assignee: Individual
•
Filing: 1927-12-30
•
Granted: 1931-07-14
•
Expires: 1947-12-30
Abstract
No abstract record available.
Inventors
- 👤 Rhodes Walter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 16:15
CPC Classifications
E; E02; E02F; E02F5/00; E02F5/02; E02F5/08; E02F5/10
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) | 1934-07-13 | 1935-01-12 | 1935-07-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1938-07-13 | 1939-01-12 | 1939-07-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1942-07-13 | 1943-01-12 | 1943-07-14 | $7700.00 | Window Closed / Lapsed |