US3291387A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Continuous centrifugal separator
Assignee: Bayer Corp
•
Filing: 1964-01-16
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Granted: 1966-12-13
•
Expires: 1984-01-16
Abstract
No abstract record available.
Inventors
- 👤 Billen Jean
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 16:52
CPC Classifications
B; B04; B04B; B04B5/00; B04B5/04; B04B5/0442; B04B2005/0464
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
71 words
APPARATUS FOR THE ANALYSIS OF EACH OF A PLURALITY OF SAMPLIES FOR A CONSTITUENT THEREOF COMPRISING: CENTRIFUGAL SEPARATING MEANS HAVING AN INLET MEANS FOR RECEIVING SAMPLES TO BE SEPARATED, A FIRST OUTLET RECEPTACLE MEANS FOR RECEIVING THE DENSER FRACTION OF A SEPARATED SAMPLE, AND A SECOND OUTLET MEANS FOR PASSING THE LESS DENSE FRACTION OF SUCH SEPARATED SAMPLE; SAMPLE AND WASH LIQUID SUPPLY MEANS FOR TRANSMITTING THE SAMPLES SUCCESSIVELY AND IN
References Cited (Backward Citations)
US671573A
Cited
US876642A
Cited
US2313541A
Cited
US2542456A
Cited
US2628023A
Cited
US3211530A
Cited
US3196449A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-12-12 | 1970-06-13 | 1970-12-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-12 | 1974-06-13 | 1974-12-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-12 | 1978-06-13 | 1978-12-13 | $7700.00 | Window Closed / Lapsed |