US2626229A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for refining used lubricating oil
Assignee: Individual
•
Filing: 1948-10-22
•
Granted: 1953-01-20
•
Expires: 1968-10-22
Abstract
No abstract record available.
Inventors
- 👤 Carl F Miller
- 👤 Miller Albert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 20:38
CPC Classifications
C; C10; C10M; C10M175/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
124 words
IN APPARATUS FOR REFINING USED LUBRICATING OIL HAVING A HEATED DISTILLATION CHAMBER ADAPTED TO RECEIVE A CHARGE OF THE USED OIL TO BE REFINED AND A CHARGE OF REFINING SOLIDS, AN OVERHEAD ENCLOSED FILTERING CHAMBER, AND A TRANSFER LINE HAVING ITS INLET COMMUNICATING WITH THE BOTTOM OF SAID DISTILLATION CHAMBER AND ITS OUTLET COMMUNICATING WITH THE UPPER PART OF SAID OVERHEAD FILTERING CHAMBER, THE COMBINATION THEREWTITH OF APPARATUS AGITATING SAID CHARGES IN SAID DISTILLATION CHAMBER AND TRANSFERRING SAID CHARGES FROM SAID DISTILLATION CHAMBER TO SAID FILTERING CHAMBER, COMPRISING A PUMP, AN OUTLET LINE FOR SAID PUMP AND DISCHARGING INTO THE BOTTOM OF SAID DISTILLATION CHAMBER TO AGITATE AND AERATE SAID CHARGES THEREIN, A THREE-WAY SOLENOID VALVE ARRANGED WHEN DE-ENERGIZED TO CONNECT ONE OF ITS
Claim 2
Dependent Claim
124 words
IN APPARATUS FOR REFINING USED LUBRICATING OIL HAVING A HEATED DISTILLATION CHAMBER ADAPTED TO RECEIVE A CHARGE OF THE USED OIL TO BE REFINED AND A CHARGE OF REFINING SOLIDS, AN OVERHEAD ENCLOSED FILTERING CHAMBER, AND A TRANSFER LINE HAVING ITS INLET COMMUNICATING WITH THE BOTTOM OF SAID DISTILLATION CHAMBER AND ITS OUTLET COMMUNICATING WITH THE UPPER PART OF SAID OVERHEAD FILTERING CHAMBER, THE COMBINATION THEREWTITH OF APPARATUS AGITATING SAID CHARGES IN SAID DISTILLATION CHAMBER AND TRANSFERRING SAID CHARGES FROM SAID DISTILLATION CHAMBER TO SAID FILTERING CHAMBER, COMPRISING A PUMP, AN OUTLET LINE FOR SAID PUMP AND DISCHARGING INTO THE BOTTOM OF SAID DISTILLATION CHAMBER TO AGITATE AND AERATE SAID CHARGES THEREIN, A THREE-WAY SOLENOID VALVE ARRANGED WHEN DE-ENERGIZED TO CONNECT ONE OF ITS
References Cited (Backward Citations)
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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) | 1956-01-20 | 1956-07-21 | 1957-01-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-01-20 | 1960-07-21 | 1961-01-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-01-20 | 1964-07-21 | 1965-01-20 | $7700.00 | Window Closed / Lapsed |