Patent US2554498A successfully refreshed from Google Patents.
US2554498A
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Rotary power-driven plow assembly
Assignee: CALIFORNIA ROTARY PLOW Co
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Filing: 1946-01-14
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Granted: 1951-05-29
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Expires: 1966-01-14
Abstract
No abstract record available.
Inventors
- 👤 Louis L Patterson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 13:34
CPC Classifications
A; A01; A01B; A01B33/00; A01B33/02; A01B33/021; A01B33/022
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1251195A
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US1776612A
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US2051694A
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US2044507A
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US2214702A
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US2299334A
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US2342031A
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US2379469A
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US2408361A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-05-28 | 1954-11-27 | 1955-05-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-05-28 | 1958-11-27 | 1959-05-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-05-28 | 1962-11-27 | 1963-05-29 | $7700.00 | Window Closed / Lapsed |