Patent US3346481A successfully refreshed from Google Patents.
US3346481A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Continuous recovery of shale oil and gas from pulverized oil shale
Assignee: Individual
•
Filing: 1964-11-05
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Granted: 1967-10-10
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Expires: 1984-11-05
Abstract
No abstract record available.
Inventors
- 👤 Johnsen Carsten Ingeman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 22:30
CPC Classifications
C; C10; C10G; C10G1/00; C10G1/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
160 words
THE METHOD FOR THE CONTINUOUS LIBERATION AND RECOVERY OF ORGANIC MINERALOIDS IN THE FORM OF SHALE OIL VAPOR PLUS GAS FROM HOST OIL SHALE WHICH COMPRISES THE STEPS OF CRUSHING, PREHEATING, PULVERIZING AND MIXING SAID PULVERIZED OIL SHALE WITH A CARRYING MEDIUM TO FORM A FLUIDIZED POWDER STREAM; INJECTING SAID FLUIDIZED POWDER STREAM INTO A PROCESSING ENCLOSURE IN THE ABSENCE OF AIR; SAID ENCLOSURE INTERNALLY DIVIDED INTO A PLURALITY OF CONNECTED CHAMBER GROUPS, EACH OF SAID GROUPS HAVING A HEATED CHAMBER AND A CONNECTED ENLARGED COOLER CHAMBER; PASSING THE SAID FLUIDIZED POWDER STREAM INTRODUCED INTO THE PROCESSING ENCLOSURE CONSECUTIVELY THROUGH THE PLURALITY OF CONNECTED CHAMBER GROUPS; SAID STREAM DIRECTED UPWARDLY IN EACH HEATED CHAMBER; SAID HEATED CHAMBERS BEING ADEQUATELY HEATED TO LIBERATE, VAPORIZE, AND GASIFY THE SAID MINERALOIDS TO SHALE OIL VAPOR PLUS GAS; SAID STREAM DIRECTED DOWNWARDLY IN EACH OF SAID ENLARGED COOLER CHAMBERS, EFFECTING THEREIN THE SHEDDING OF RESIDUAL PARTICLES FROM SAID STREAM BY A DECREASE IN THE
Claim 2
Independent Claim
160 words
THE METHOD FOR THE CONTINUOUS LIBERATION AND RECOVERY OF ORGANIC MINERALOIDS IN THE FORM OF SHALE OIL VAPOR PLUS GAS FROM HOST OIL SHALE WHICH COMPRISES THE STEPS OF CRUSHING, PREHEATING, PULVERIZING AND MIXING SAID PULVERIZED OIL SHALE WITH A CARRYING MEDIUM TO FORM A FLUIDIZED POWDER STREAM; INJECTING SAID FLUIDIZED POWDER STREAM INTO A PROCESSING ENCLOSURE IN THE ABSENCE OF AIR; SAID ENCLOSURE INTERNALLY DIVIDED INTO A PLURALITY OF CONNECTED CHAMBER GROUPS, EACH OF SAID GROUPS HAVING A HEATED CHAMBER AND A CONNECTED ENLARGED COOLER CHAMBER; PASSING THE SAID FLUIDIZED POWDER STREAM INTRODUCED INTO THE PROCESSING ENCLOSURE CONSECUTIVELY THROUGH THE PLURALITY OF CONNECTED CHAMBER GROUPS; SAID STREAM DIRECTED UPWARDLY IN EACH HEATED CHAMBER; SAID HEATED CHAMBERS BEING ADEQUATELY HEATED TO LIBERATE, VAPORIZE, AND GASIFY THE SAID MINERALOIDS TO SHALE OIL VAPOR PLUS GAS; SAID STREAM DIRECTED DOWNWARDLY IN EACH OF SAID ENLARGED COOLER CHAMBERS, EFFECTING THEREIN THE SHEDDING OF RESIDUAL PARTICLES FROM SAID STREAM BY A DECREASE IN THE
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) | 1970-10-09 | 1971-04-10 | 1971-10-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-09 | 1975-04-10 | 1975-10-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-09 | 1979-04-10 | 1979-10-10 | $7700.00 | Window Closed / Lapsed |