Patent US2334228A successfully refreshed from Google Patents.
US2334228A
Expired / Lapsed
US
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Process of producing an intimate mixture between a mass of loose material and fluid or fluids
Assignee: Individual
•
Filing: 1939-07-01
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Granted: 1943-11-16
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Expires: 1959-07-01
Abstract
No abstract record available.
Inventors
- 👤 Steuermann Sergey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 17:40
CPC Classifications
B; B01; B01J; B01J19/00; B01J19/08; B01J19/10; B01F; B01F23/00; B01F23/50; B01F31/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1946-11-15 | 1947-05-17 | 1947-11-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1950-11-15 | 1951-05-17 | 1951-11-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1954-11-15 | 1955-05-17 | 1955-11-16 | $7700.00 | Window Closed / Lapsed |