Patent US3020209A successfully refreshed from Google Patents.
US3020209A
Expired / Lapsed
US
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Plant and process for the production of oil
Assignee: Oil Shale Corp
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Filing: 1958-10-20
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Granted: 1962-02-06
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Expires: 1978-10-20
Abstract
No abstract record available.
Inventors
- 👤 Jr William J Culbertson
- 👤 Thomas D Nevens
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 08:55
CPC Classifications
C; C10; C10G; C10G1/00; C10G1/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
135 words
A PROCESS FOR PRODUCING OIL AND GAS FROM SOLID MATERIAL LEAVING, UPON PYROLYSIS, A SOLID CARBONACEOUS RESIDUE, WHICH COMPRISES THE STEPS OF: PYROLYZING SAID SOLID MATERIAL TO PRODUCE OIL VAPORS AND GASES, AND A SOLID CARBONACEOUS RESIDUE, HEAT FOR SAID PYROLYSIS STEP BEING PROVIDED BY ADMIXTURE OF SAID SOLID MATERIAL WITH SOLID HEAT-CARRYING BODIES; COMBUSTING SAID SOLID CARBONACEOUS RESIDUE, PRODUCED UPON PYROLYSIS OF SAID SOLID MATERAIL BY MEANS OF A FREE OXYGEN-CONTAINING GAS TO THEREBY PRODUCE HEAT IN THE FORM OF HOT GASEOUS PRODUCTS, AND SOLID PRODUCTS ENTRAINED THEREIN; CONTINUOUSLY PASSING SOLID BODIES, IN THE FORM OF A BED OF SAHLLOW THICKNESS, THROUGH AT LEAST A PORTION OF SAID PRODUCTS OF COMBUSTION WHEREBY TO RE-HEAT SAID SOLID BODIES; AND REPEASTING SAID PYROLYZING STEP BY ADMIXTURE OF ADDITONAL SOLID MATERIAL WITH SAID REHEATED SOLID HEAT-CARRYING BODIES.
Claim 2
Dependent Claim
135 words
A PROCESS FOR PRODUCING OIL AND GAS FROM SOLID MATERIAL LEAVING, UPON PYROLYSIS, A SOLID CARBONACEOUS RESIDUE, WHICH COMPRISES THE STEPS OF: PYROLYZING SAID SOLID MATERIAL TO PRODUCE OIL VAPORS AND GASES, AND A SOLID CARBONACEOUS RESIDUE, HEAT FOR SAID PYROLYSIS STEP BEING PROVIDED BY ADMIXTURE OF SAID SOLID MATERIAL WITH SOLID HEAT-CARRYING BODIES; COMBUSTING SAID SOLID CARBONACEOUS RESIDUE, PRODUCED UPON PYROLYSIS OF SAID SOLID MATERAIL BY MEANS OF A FREE OXYGEN-CONTAINING GAS TO THEREBY PRODUCE HEAT IN THE FORM OF HOT GASEOUS PRODUCTS, AND SOLID PRODUCTS ENTRAINED THEREIN; CONTINUOUSLY PASSING SOLID BODIES, IN THE FORM OF A BED OF SAHLLOW THICKNESS, THROUGH AT LEAST A PORTION OF SAID PRODUCTS OF COMBUSTION WHEREBY TO RE-HEAT SAID SOLID BODIES; AND REPEASTING SAID PYROLYZING STEP BY ADMIXTURE OF ADDITONAL SOLID MATERIAL WITH SAID REHEATED SOLID HEAT-CARRYING BODIES.
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) | 1965-02-05 | 1965-08-07 | 1966-02-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-02-05 | 1969-08-07 | 1970-02-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-02-05 | 1973-08-07 | 1974-02-06 | $7700.00 | Window Closed / Lapsed |