US2722067A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Land leveler
Assignee: Individual
•
Filing: 1949-12-05
•
Granted: 1955-11-01
•
Expires: 1969-12-05
Abstract
No abstract record available.
Inventors
- 👤 Theodore W Baron
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 17:57
CPC Classifications
E; E02; E02F; E02F3/00; E02F3/04; E02F3/76; E02F3/80; E02F3/84; E02F3/841
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1691854A
Cited
US1765910A
Cited
US2177570A
Cited
US2269519A
Cited
US2283744A
Cited
US2327236A
Cited
US2444977A
Cited
US2503638A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-10-31 | 1959-05-02 | 1959-11-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-10-31 | 1963-05-02 | 1963-11-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-10-31 | 1967-05-02 | 1967-11-01 | $7700.00 | Window Closed / Lapsed |