Patent US2592231A successfully refreshed from Google Patents.
US2592231A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Feed preparation device
Assignee: Individual
•
Filing: 1949-01-07
•
Granted: 1952-04-08
•
Expires: 1969-01-07
Abstract
No abstract record available.
Inventors
- 👤 James O Allstott
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 22:47
CPC Classifications
A; A23; A23N; A23N17/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1635453A
Cited
US777228A
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US1212418A
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US1297497A
Cited
US1636033A
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US1798465A
Cited
US1994343A
Cited
US2213668A
Cited
US2446952A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-04-08 | 1955-10-08 | 1956-04-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-04-08 | 1959-10-08 | 1960-04-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-04-08 | 1963-10-08 | 1964-04-08 | $7700.00 | Window Closed / Lapsed |