US3409215A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Continuous centrifuge
Assignee: Beloit Corp
•
Filing: 1966-06-20
•
Granted: 1968-11-05
•
Expires: 1986-06-20
Abstract
No abstract record available.
Inventors
- 👤 Adolf K O A Reuter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 19:15
CPC Classifications
B; B04; B04B; B04B1/00; B04B1/10; B04B5/00; B04B5/04; B04B5/0442
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
NL64151C
Cited
US2200302A
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US2291117A
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US2495950A
Cited
US2483342A
Cited
US2538529A
Cited
US3117928A
Cited
US3341094A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-11-05 | 1972-05-06 | 1972-11-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-11-05 | 1976-05-06 | 1976-11-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-11-05 | 1980-05-06 | 1980-11-05 | $7700.00 | Window Closed / Lapsed |