Patent US2476183A successfully refreshed from Google Patents.
US2476183A
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Assignee: Allis Chalmers Corp
•
Filing: 1944-08-28
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Granted: 1949-07-12
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Expires: 1964-08-28
Abstract
No abstract record available.
Inventors
- 👤 Rector C Fergason
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 22:58
CPC Classifications
A; A01; A01D; A01D78/00; A01D78/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1159444A
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US1658996A
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US1728301A
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US1830040A
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FR715547A
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US2028332A
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US2160275A
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US2255288A
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US2334888A
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US2296065A
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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) | 1952-07-11 | 1953-01-10 | 1953-07-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-07-11 | 1957-01-10 | 1957-07-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-07-11 | 1961-01-10 | 1961-07-12 | $7700.00 | Window Closed / Lapsed |