US2895883A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Oil purification or separation plant
Assignee: Yarrow and Co Ltd
•
Filing: 1955-03-31
•
Granted: 1959-07-21
•
Expires: 1975-03-31
Abstract
No abstract record available.
Inventors
- 👤 Eric D Hobson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 01:41
CPC Classifications
F; F16; F16N; F16N39/00; F16N39/06; Y; Y10; Y10S; Y10S494/00; Y10S494/901
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
129 words
AN OIL PURIFICATION AND SEPARATION PLANT FOR LUBRICATING SYSTEMS OF MACHINERY INSTALLATIONS, INCLUDING A CENTRIFUGAL SEPARATOR HAVING AN INLET FLOW LINE COMMUNICATING THEREWITH A PUMP CONNECTED IN THE INLET FLOW LINE TO THE SEPARATOR AND HAVING A RATED OUTPUT TO ENABLE IT TO PUMP OIL TO THE SEPARATOR AT A RATE TO PERMIT THE LATTER TO OPERATE AT ITS RATED THROUGHPUT CAPACITY, A SECOND PUMP HAVING A RATED OUTPUT AT LEAST EQUAL TO THE FIRST PUMP, CONDUIT MEANS CONNECTING SAID SECOND PUMP IN THE SAID INLET FLOW LINE FOR OPERATION IN PARALLEL TO THE FIRST PUMP, ADDITIONAL CONDUIT MEANS CONNECTING SAID SECOND PUMP WITH THE DISCHARGE FLOW LINE FROM THE SEPARATOR, AND CONTROL MEANS FOR OPTIONALLY CONNECTING THE SAID SECOND PUMP TO ONE OR OTHER OF SAID CONDUIT MEANS.
Claim 2
Dependent Claim
129 words
AN OIL PURIFICATION AND SEPARATION PLANT FOR LUBRICATING SYSTEMS OF MACHINERY INSTALLATIONS, INCLUDING A CENTRIFUGAL SEPARATOR HAVING AN INLET FLOW LINE COMMUNICATING THEREWITH A PUMP CONNECTED IN THE INLET FLOW LINE TO THE SEPARATOR AND HAVING A RATED OUTPUT TO ENABLE IT TO PUMP OIL TO THE SEPARATOR AT A RATE TO PERMIT THE LATTER TO OPERATE AT ITS RATED THROUGHPUT CAPACITY, A SECOND PUMP HAVING A RATED OUTPUT AT LEAST EQUAL TO THE FIRST PUMP, CONDUIT MEANS CONNECTING SAID SECOND PUMP IN THE SAID INLET FLOW LINE FOR OPERATION IN PARALLEL TO THE FIRST PUMP, ADDITIONAL CONDUIT MEANS CONNECTING SAID SECOND PUMP WITH THE DISCHARGE FLOW LINE FROM THE SEPARATOR, AND CONTROL MEANS FOR OPTIONALLY CONNECTING THE SAID SECOND PUMP TO ONE OR OTHER OF SAID CONDUIT MEANS.
References Cited (Backward Citations)
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US1658362A
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US1745108A
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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) | 1962-07-20 | 1963-01-19 | 1963-07-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-07-20 | 1967-01-19 | 1967-07-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-07-20 | 1971-01-19 | 1971-07-21 | $7700.00 | Window Closed / Lapsed |