US2849120A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Oil bleaching equipment
Assignee: National Cylinder Gas Co
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Filing: 1954-11-16
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Granted: 1958-08-26
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Expires: 1974-11-16
Abstract
No abstract record available.
Inventors
- 👤 Charles E Mcmichael
- 👤 John W Godbey
- 👤 Victor L Zehnder
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 08:56
CPC Classifications
C; C11; C11B; C11B3/00; C11B3/001
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
200 words
EQUIPMENT FOR USE IN BLEACHING OILS WITH A BLEACHING ADSORBENT COMPRISING, IN COMBINATION WITH A FILTER HAVING AN OIL INLET AND AN OIL OUTLET, AN OIL TREATMENT VESSEL HAVING UPPER AND LOWER TREATMENT CHAMBERS THEREIN, AN OIL SPRAY INLET IN THE UPPER REGION OF THE LOWER CHAMBER, AN OIL OUTLET FROM THE LOWER CHAMBER CONNECTED WITH THE FILTER INLET, A CONNECTION FOR DELIVERING OIL FROM THE FILTER OUTLET TO THE UPPER CHAMBER OF SAID VESSEL, AN INLET FOR INTRODUCING ADSORBENT IN DISPERSED FORM INTO THE UPPER PORTION OF THE UPPER CHAMBER, AN OIL OUTLET FROM THE UPPER CHAMBER CONNECTED WITH THE FILTER INLET, THE OIL OUTLETS FROM THE LOWER AND UPPER CHAMBERS BEING ALTERNATELY CONNECTIBLE AND DISCONNECTIBLE WITH RESPECT TO THE FILTER INLER, A VACUUM CONNECTION IN THE UPPER CHAMBER, A STRIPPING STEAM INLET IN THE LOWER CHAMBER, AND A CONNECTION BETWEEN THE UPPER PORTION OF THE UPPER AND LOWER CHAMBERS PROVIDING FOR SERIAL FLOW OF THE STRIPPING STEAM FROM THE LOWER CHAMBER TO THE UPPER CHAMBER TO THE VACUUM OUTLET, AND PROVIDING FOR SEQUENTIAL STRIPPING BY SAID STEAM OF THE OIL SPRAYED INTO THE LOWER CHAMBER AND THEN CONTACT OF SAID STEAM WITH THE ADSORBENT IN THE UPPER CHAMBER.
Claim 2
Dependent Claim
200 words
EQUIPMENT FOR USE IN BLEACHING OILS WITH A BLEACHING ADSORBENT COMPRISING, IN COMBINATION WITH A FILTER HAVING AN OIL INLET AND AN OIL OUTLET, AN OIL TREATMENT VESSEL HAVING UPPER AND LOWER TREATMENT CHAMBERS THEREIN, AN OIL SPRAY INLET IN THE UPPER REGION OF THE LOWER CHAMBER, AN OIL OUTLET FROM THE LOWER CHAMBER CONNECTED WITH THE FILTER INLET, A CONNECTION FOR DELIVERING OIL FROM THE FILTER OUTLET TO THE UPPER CHAMBER OF SAID VESSEL, AN INLET FOR INTRODUCING ADSORBENT IN DISPERSED FORM INTO THE UPPER PORTION OF THE UPPER CHAMBER, AN OIL OUTLET FROM THE UPPER CHAMBER CONNECTED WITH THE FILTER INLET, THE OIL OUTLETS FROM THE LOWER AND UPPER CHAMBERS BEING ALTERNATELY CONNECTIBLE AND DISCONNECTIBLE WITH RESPECT TO THE FILTER INLER, A VACUUM CONNECTION IN THE UPPER CHAMBER, A STRIPPING STEAM INLET IN THE LOWER CHAMBER, AND A CONNECTION BETWEEN THE UPPER PORTION OF THE UPPER AND LOWER CHAMBERS PROVIDING FOR SERIAL FLOW OF THE STRIPPING STEAM FROM THE LOWER CHAMBER TO THE UPPER CHAMBER TO THE VACUUM OUTLET, AND PROVIDING FOR SEQUENTIAL STRIPPING BY SAID STEAM OF THE OIL SPRAYED INTO THE LOWER CHAMBER AND THEN CONTACT OF SAID STEAM WITH THE ADSORBENT IN THE UPPER CHAMBER.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-08-25 | 1962-02-24 | 1962-08-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-08-25 | 1966-02-24 | 1966-08-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-08-25 | 1970-02-24 | 1970-08-26 | $7700.00 | Window Closed / Lapsed |