US3399770A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for centrifugal separation of particles from a mixture
Assignee: Beloit Corp
•
Filing: 1966-01-19
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Granted: 1968-09-03
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Expires: 1986-01-19
Abstract
No abstract record available.
Inventors
- 👤 Salomon M Salomon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 18:56
CPC Classifications
B; B04; B04C; B04C5/00; B04C5/08; B04C5/103; D; D21; D21D; D21D5/00; D21D5/18
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-09-03 | 1972-03-04 | 1972-09-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-09-03 | 1976-03-04 | 1976-09-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-09-03 | 1980-03-04 | 1980-09-03 | $7700.00 | Window Closed / Lapsed |