US2584466A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Feed hopper and feed mechanism
Assignee: Robertshaw Controls Co
•
Filing: 1946-10-16
•
Granted: 1952-02-05
•
Expires: 1966-10-16
Abstract
No abstract record available.
Inventors
- 👤 John A Kaserman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 13:30
CPC Classifications
B; B65; B65G; B65G47/00; B65G47/02; B65G47/04; B65G47/12; B65G47/14; B65G47/1407
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US230638A
Cited
US317601A
Cited
US2466386A
Cited
US808067A
Cited
US1327971A
Cited
US1497576A
Cited
US1687573A
Cited
US2413446A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-02-04 | 1955-08-06 | 1956-02-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-02-04 | 1959-08-06 | 1960-02-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-02-04 | 1963-08-06 | 1964-02-05 | $7700.00 | Window Closed / Lapsed |