Patent US2663952A successfully refreshed from Google Patents.
US2663952A
Expired / Lapsed
US
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Tree uprooting attachment for bulldozers
Assignee: Individual
•
Filing: 1951-01-15
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Granted: 1953-12-29
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Expires: 1971-01-15
Abstract
No abstract record available.
Inventors
- 👤 William A Winget
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 12:18
CPC Classifications
A; A01; A01G; A01G23/00; A01G23/02; A01G23/06; E; E02; E02F; E02F3/00; E02F3/04; E02F3/96
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1919075A
Cited
US2295458A
Cited
US2414994A
Cited
US2508284A
Cited
US2535099A
Cited
US2505923A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-12-28 | 1957-06-29 | 1957-12-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-12-28 | 1961-06-29 | 1961-12-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-12-28 | 1965-06-29 | 1965-12-29 | $7700.00 | Window Closed / Lapsed |