US2940424A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Poultry feeding system
Assignee: FMC Corp
•
Filing: 1956-01-17
•
Granted: 1960-06-14
•
Expires: 1976-01-17
Abstract
No abstract record available.
Inventors
- 👤 Boyd W Rose
- 👤 Harold W Hart
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 07:40
CPC Classifications
A; A01; A01K; A01K39/00; A01K39/01
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US513932A
Cited
US1318389A
Cited
US1448760A
Cited
US1472280A
Cited
US1703465A
Cited
US1813519A
Cited
US2025184A
Cited
US2569039A
Cited
US2412121A
Cited
US2601608A
Cited
US2613641A
Cited
US2646023A
Cited
US2652808A
Cited
US2715887A
Cited
US2782761A
Cited
US2754801A
Cited
US2738766A
Cited
US2738765A
Cited
US2801610A
Cited
US2681132A
Cited
US2785791A
Cited
US2742139A
Cited
US2785792A
Cited
US2798645A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-06-14 | 1963-12-14 | 1964-06-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-06-14 | 1967-12-14 | 1968-06-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-06-14 | 1971-12-14 | 1972-06-14 | $7700.00 | Window Closed / Lapsed |