US2949190A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Separation of fine sized solids
Assignee: MINERAL PROC CORP
•
Filing: 1957-09-19
•
Granted: 1960-08-16
•
Expires: 1977-09-19
Abstract
No abstract record available.
Inventors
- 👤 Pagnotti Joseph Ross
- 👤 Barron Samuel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 01:12
CPC Classifications
B; B03; B03B; B03B5/00; B03B5/28; B03B5/30; B03B5/36; B03B5/38
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2191805A
Cited
US2398127A
Cited
US2373635A
Cited
US2429436A
Cited
US2726764A
Cited
US2692049A
Cited
US2743815A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-08-16 | 1964-02-15 | 1964-08-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-08-16 | 1968-02-15 | 1968-08-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-08-16 | 1972-02-15 | 1972-08-16 | $7700.00 | Window Closed / Lapsed |