Patent US2744497A successfully refreshed from Google Patents.
US2744497A
Expired / Lapsed
US
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Self-feeding pig feeder
Assignee: Individual
•
Filing: 1953-08-07
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Granted: 1956-05-08
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Expires: 1973-08-07
Abstract
No abstract record available.
Inventors
- 👤 Milton E Fisher
- 👤 Paul C Fisher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 20:25
CPC Classifications
A; A01; A01K; A01K5/00; A01K5/02; A01K5/0225
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US878086A
Cited
US985047A
Cited
US1137460A
Cited
US1221355A
Cited
US1227892A
Cited
US1498697A
Cited
US1750580A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-05-08 | 1959-11-07 | 1960-05-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-05-08 | 1963-11-07 | 1964-05-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-05-08 | 1967-11-07 | 1968-05-08 | $7700.00 | Window Closed / Lapsed |