Patent US2966948A successfully refreshed from Google Patents.
US2966948A
Expired / Lapsed
US
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Earth surfacing machine
Assignee: Individual
•
Filing: 1959-09-08
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Granted: 1961-01-03
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Expires: 1979-09-08
Abstract
No abstract record available.
Inventors
- 👤 Ulsh George
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 13:12
CPC Classifications
A; A01; A01B; A01B31/00; A01B29/00; A01B29/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US210150A
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US284709A
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US753953A
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US1450318A
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US1744272A
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US1828681A
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US2029659A
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US2127485A
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US2582199A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-01-03 | 1964-07-04 | 1965-01-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-01-03 | 1968-07-04 | 1969-01-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-01-03 | 1972-07-04 | 1973-01-03 | $7700.00 | Window Closed / Lapsed |