Patent US2754744A successfully refreshed from Google Patents.
US2754744A
Expired / Lapsed
US
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Rotary moldboard plow
Assignee: Individual
•
Filing: 1953-02-02
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Granted: 1956-07-17
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Expires: 1973-02-02
Abstract
No abstract record available.
Inventors
- 👤 Harold F Hall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 18:44
CPC Classifications
A; A01; A01B; A01B33/00; A01B33/02; A01B33/021; A01B33/024
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US503006A
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US668001A
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US930951A
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US1512484A
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US1951701A
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US2233727A
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US2357374A
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US2679200A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-07-17 | 1960-01-16 | 1960-07-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-07-17 | 1964-01-16 | 1964-07-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-07-17 | 1968-01-16 | 1968-07-17 | $7700.00 | Window Closed / Lapsed |