US2746181A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Road grading attachment
Assignee: Individual
•
Filing: 1953-04-20
•
Granted: 1956-05-22
•
Expires: 1973-04-20
Abstract
No abstract record available.
Inventors
- 👤 Jude M Molene
- 👤 Desaix B Martin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 00:10
CPC Classifications
E; E02; E02F; E02F3/00; E02F3/04; E02F3/76; E02F3/7622; E02F3/7627
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1112474A
Cited
US1173016A
Cited
US1833878A
Cited
US2048584A
Cited
US1905904A
Cited
US2086395A
Cited
US2283744A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-05-22 | 1959-11-21 | 1960-05-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-05-22 | 1963-11-21 | 1964-05-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-05-22 | 1967-11-21 | 1968-05-22 | $7700.00 | Window Closed / Lapsed |