Patent US2510445A successfully refreshed from Google Patents.
US2510445A
Expired / Lapsed
US
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Scarifier for bulldozers
Assignee: GLEN C LOHMANN
•
Filing: 1944-10-30
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Granted: 1950-06-06
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Expires: 1964-10-30
Abstract
No abstract record available.
Inventors
- 👤 Way Darl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 22:08
CPC Classifications
E; E02; E02F; E02F3/00; E02F3/04; E02F3/76; E02F3/80; E02F3/815; E02F3/8155
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1544632A
Cited
US1886438A
Cited
US1929799A
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US2042196A
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US2073391A
Cited
US2219160A
Cited
US2279869A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-06-05 | 1953-12-05 | 1954-06-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-06-05 | 1957-12-05 | 1958-06-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-06-05 | 1961-12-05 | 1962-06-06 | $7700.00 | Window Closed / Lapsed |