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 05:59
CPC Classifications
B; B60; B60R; B60R19/00; B60R19/54; B60P; B60P1/00; B60P1/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1711488A
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US1759697A
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US1760455A
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US2152092A
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US2163682A
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US2233237A
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US2333361A
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US2445472A
Cited
US2421211A
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US2484325A
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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 |