US2773598A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for the selective and/or total separation and collection of particles from suspension in fluid media
Assignee: TERMOKIMIK Corp
•
Filing: 1953-04-01
•
Granted: 1956-12-11
•
Expires: 1973-04-01
Abstract
No abstract record available.
Inventors
- 👤 Castellani Pio Federic Faloppa
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 20:45
CPC Classifications
B; B04; B04C; B04C5/00; B04C5/24; B04C5/28; B04C5/02; B04C5/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2620046A
Cited
US1214249A
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US1925373A
Cited
US2086882A
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US2461677A
Cited
US2553175A
Cited
FR1021374A
Cited
US2659451A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-12-11 | 1960-06-11 | 1960-12-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-12-11 | 1964-06-11 | 1964-12-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-12-11 | 1968-06-11 | 1968-12-11 | $7700.00 | Window Closed / Lapsed |