US2752090A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Centrifugal separators
Assignee: ROBERT S MODE
•
Filing: 1952-08-29
•
Granted: 1956-06-26
•
Expires: 1972-08-29
Abstract
No abstract record available.
Inventors
- 👤 James L Kyselka
- 👤 Violet B Kent
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 18:10
CPC Classifications
B; B04; B04B; B04B1/00; B04B1/04; B04B1/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
74 words
IN A CENTRIFUGAL SEPARATOR, A SUBSTANTIALLY CYLINDRICAL, SUBSTANTIALLY CLOSED CASING, VERTICAL DRIVE SHAFT EXTENDING THERETHROUGH FROM END-TO-END THEREOF, SAID CASING BEING MOUNTED CONCENTRICALLY ON SAID SHAFT TO ROTATE THEREWITH, THE GREATER PORTION OF SAID SHAFT BEING HOLLOW TO ADMIT A LIQUID MIXTURE FORCED THEREINTO AND FORMED WITH PORTS THEREIN ADJACENT THE UPPER END OF SAID TUBULAR PORTION OPENING INTO SAID CASING, A CYLINDRICAL SHELL MOUNTED CONCENTRICALLY WITHIN SAID CASING AND SPACED FROM SAID SHAFT
Claim 2
Dependent Claim
74 words
IN A CENTRIFUGAL SEPARATOR, A SUBSTANTIALLY CYLINDRICAL, SUBSTANTIALLY CLOSED CASING, VERTICAL DRIVE SHAFT EXTENDING THERETHROUGH FROM END-TO-END THEREOF, SAID CASING BEING MOUNTED CONCENTRICALLY ON SAID SHAFT TO ROTATE THEREWITH, THE GREATER PORTION OF SAID SHAFT BEING HOLLOW TO ADMIT A LIQUID MIXTURE FORCED THEREINTO AND FORMED WITH PORTS THEREIN ADJACENT THE UPPER END OF SAID TUBULAR PORTION OPENING INTO SAID CASING, A CYLINDRICAL SHELL MOUNTED CONCENTRICALLY WITHIN SAID CASING AND SPACED FROM SAID SHAFT
References Cited (Backward Citations)
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Cited
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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) | 1959-06-26 | 1959-12-26 | 1960-06-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-06-26 | 1963-12-26 | 1964-06-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-06-26 | 1967-12-26 | 1968-06-26 | $7700.00 | Window Closed / Lapsed |