Patent EP0155760A1 successfully refreshed from Google Patents.
US3228595A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Centrifuge discharge means
Assignee: Pennwalt Corp
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Filing: 1963-06-05
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Granted: 1966-01-11
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Expires: 1983-06-05
Abstract
No abstract record available.
Inventors
- 👤 Thomas D Sharples
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 17:40
CPC Classifications
B; B04; B04B; B04B11/00; B04B11/08; B04B11/082; B04B15/00; B04B15/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
94 words
FOR A CENTRIFUGAL SEPARATOR A SKIMMER COMPRISING AN ELONGATE BODY HAVING AN UPPER AND A LOWER WALL AND OPPOSITE SIDE WALLS AND A LEADING END AND A TRAILING END, THE LEADING END HAVING UPPER AND LOWER OPENINGS WITH PASSAGES SEGREGATED BY A PARTITION WALL, THE PASSAGES EXTENDING REARWARDLY TOWARD THE TRAILING END, THE LOWER OPENING PASSAGE HAVING A LEAD-OFF ADAPTED TO BE CONNECTED TO A LIQUID DISCHARGE CONDUIT FOR THE SEPARATOR, AND THE UPPER OPENING PASSAGE TERMINATING REARWARDLY IN AN OPENING ADAPTED TO DIRECT ITS DISCHARGE INTO THE SEPARATOR REARWARDLY OF THE ELONGATE BODY.
Claim 2
Dependent Claim
94 words
FOR A CENTRIFUGAL SEPARATOR A SKIMMER COMPRISING AN ELONGATE BODY HAVING AN UPPER AND A LOWER WALL AND OPPOSITE SIDE WALLS AND A LEADING END AND A TRAILING END, THE LEADING END HAVING UPPER AND LOWER OPENINGS WITH PASSAGES SEGREGATED BY A PARTITION WALL, THE PASSAGES EXTENDING REARWARDLY TOWARD THE TRAILING END, THE LOWER OPENING PASSAGE HAVING A LEAD-OFF ADAPTED TO BE CONNECTED TO A LIQUID DISCHARGE CONDUIT FOR THE SEPARATOR, AND THE UPPER OPENING PASSAGE TERMINATING REARWARDLY IN AN OPENING ADAPTED TO DIRECT ITS DISCHARGE INTO THE SEPARATOR REARWARDLY OF THE ELONGATE BODY.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-01-10 | 1969-07-12 | 1970-01-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-10 | 1973-07-12 | 1974-01-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-10 | 1977-07-12 | 1978-01-11 | $7700.00 | Window Closed / Lapsed |