US2596943A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Proportional feed system
Assignee: Milton Roy LLC
•
Filing: 1946-03-13
•
Granted: 1952-05-13
•
Expires: 1966-03-13
Abstract
No abstract record available.
Inventors
- 👤 Robert T Sheen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 08:25
CPC Classifications
G; G05; G05D; G05D11/00; G05D11/02; G05D11/13; G05D11/131; G05D11/132
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US750115A
Cited
US1346555A
Cited
US1534829A
Cited
US1789694A
Cited
US2023799A
Cited
US1993369A
Cited
US2252939A
Cited
US2254495A
Cited
US2280656A
Cited
US2241732A
Cited
US2283886A
Cited
US2254432A
Cited
US2382426A
Cited
US2367893A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-05-13 | 1955-11-12 | 1956-05-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-05-13 | 1959-11-12 | 1960-05-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-05-13 | 1963-11-12 | 1964-05-13 | $7700.00 | Window Closed / Lapsed |