Patent US2662313A successfully refreshed from Google Patents.
US2662313A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dirt leveler attachment for dump trucks
Assignee: Individual
•
Filing: 1948-09-23
•
Granted: 1953-12-15
•
Expires: 1968-09-23
Abstract
No abstract record available.
Inventors
- 👤 Lester M Mowe
- 👤 Mildred V Mowe
- 👤 Melvin L Mowe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 10:59
CPC Classifications
B; B60; B60R; B60R19/00; B60R19/54; B60P; B60P1/00; B60P1/04
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1711488A
Cited
US1759697A
Cited
US1760455A
Cited
US2152092A
Cited
US2163682A
Cited
US2233237A
Cited
US2333361A
Cited
US2445472A
Cited
US2421211A
Cited
US2484325A
Cited
US2474065A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-12-14 | 1957-06-15 | 1957-12-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-12-14 | 1961-06-15 | 1961-12-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-12-14 | 1965-06-15 | 1965-12-15 | $7700.00 | Window Closed / Lapsed |