US3085382A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multi-tube centrifugal separators
Assignee: Aerotec Industries Inc
•
Filing: 1961-01-03
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Granted: 1963-04-16
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Expires: 1981-01-03
Abstract
No abstract record available.
Inventors
- 👤 Jr James A Finney
- 👤 Homer G Shattuck
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 20:11
CPC Classifications
B; B04; B04C; B04C5/00; B04C5/24; B04C5/28; B04C5/08; B04C5/081
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
70 words
IN A CENTRIFUGAL SEPARATOR, A TUBE SHEET HAVING A CIRCULAR HOLE, A RING OF A HARD ELASTOMER COMPOSITION MOUNTED IN SAID HOLE AND HAVING A CIRCUMFERENTIAL GROOVE EXTENDING INWARDLY FROM THE OUTER PERIPHERY OF SAID RING AND FITTING THE MARGIN OF SAID TUBE SHEET ABOUT SAID HOLE, AND A CENTRIFUGAL SEPARATOR TUBE MOUNTED IN AND COMPRESSING SAID RING AND HELD BY SAID RING RIGIDLY AND FLUID TIGHTLY IN SAID TUBE.
Claim 2
Dependent Claim
70 words
IN A CENTRIFUGAL SEPARATOR, A TUBE SHEET HAVING A CIRCULAR HOLE, A RING OF A HARD ELASTOMER COMPOSITION MOUNTED IN SAID HOLE AND HAVING A CIRCUMFERENTIAL GROOVE EXTENDING INWARDLY FROM THE OUTER PERIPHERY OF SAID RING AND FITTING THE MARGIN OF SAID TUBE SHEET ABOUT SAID HOLE, AND A CENTRIFUGAL SEPARATOR TUBE MOUNTED IN AND COMPRESSING SAID RING AND HELD BY SAID RING RIGIDLY AND FLUID TIGHTLY IN SAID TUBE.
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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) | 1966-04-15 | 1966-10-15 | 1967-04-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-15 | 1970-10-15 | 1971-04-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-15 | 1974-10-15 | 1975-04-16 | $7700.00 | Window Closed / Lapsed |