US2609153A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Feed control foe hammer mills
Assignee: —
•
Filing: —
•
Granted: 1952-09-02
•
Expires: 1969-09-02
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 13:25
CPC Classifications
B; B02; B02C; B02C13/00; B02C13/02; B02C13/06; B02C13/09; B02C13/26; B02C13/286; B02C2013/28618
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US781748A
Cited
US1120250A
Cited
US1200104A
Cited
US1457210A
Cited
US1553293A
Cited
US2008841A
Cited
US2145728A
Cited
US2224442A
Cited
US2241667A
Cited
US2287799A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-09-02 | 1956-03-03 | 1956-09-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-09-02 | 1960-03-03 | 1960-09-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-09-02 | 1964-03-03 | 1964-09-02 | $7700.00 | Window Closed / Lapsed |