US2681518A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bulldozer with adjustably mounted blade
Assignee: Individual
•
Filing: 1950-05-29
•
Granted: 1954-06-22
•
Expires: 1970-05-29
Abstract
No abstract record available.
Inventors
- 👤 Charles C Troop
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 22:00
CPC Classifications
E; E02; E02F; E02F3/00; E02F3/04; E02F3/76; E02F3/7609; E02F3/7613
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1974520A
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US1976597A
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US2137829A
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US2160595A
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US2075482A
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US2187072A
Cited
US2185015A
Cited
US2239943A
Cited
US2269775A
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US2303379A
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US2485407A
Cited
US2565337A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-06-21 | 1957-12-21 | 1958-06-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-06-21 | 1961-12-21 | 1962-06-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-06-21 | 1965-12-21 | 1966-06-22 | $7700.00 | Window Closed / Lapsed |