Patent US2591141A successfully refreshed from Google Patents.
US2591141A
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Rotary beater mill with cylindrical separator structure adjacent the mill outlet
Assignee: Individual
•
Filing: 1949-03-01
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Granted: 1952-04-01
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Expires: 1969-03-01
Abstract
No abstract record available.
Inventors
- 👤 Dulait Jean
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 21:59
CPC Classifications
B; B02; B02C; B02C13/00; B02C13/10; B02C13/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USRE16229E
Cited
US643273A
Cited
GB156712A
Cited
US1496823A
Cited
FR641730A
Cited
GB372661A
Cited
US2016496A
Cited
US2100200A
Cited
FR842939A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-04-01 | 1955-10-01 | 1956-04-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-04-01 | 1959-10-01 | 1960-04-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-04-01 | 1963-10-01 | 1964-04-01 | $7700.00 | Window Closed / Lapsed |