US3109781A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combined apparatus of a retort, fractionator and heater for treating hydrocarboniferous material
Assignee: Richfield Oil Corp
•
Filing: 1958-11-06
•
Granted: 1963-11-05
•
Expires: 1978-11-06
Abstract
No abstract record available.
Inventors
- 👤 Manley L Natland
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 14:48
CPC Classifications
C; C10; C10B; C10B1/00; C10B1/02; C10B1/04; Y; Y10; Y10S; Y10S203/00; Y10S203/17; Y10S376/00; Y10S376/90; Y10S376/904
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
121 words
IN A SYSTEM FOR THE TREATMENT OF HYDROCARBONIFEROUS MATERIAL THE COMBINATION WHICH COMPRISES A GASEOUS RETORT MEANS, A GASEOUS HEATING MEANS AND A FRACTONATION MEANS, SAID RETORT MEANS CONSISTING OF AN ELONGATED SUBSTANTIALLY VERTICALLY DISPOSED HEATING CHAMBER HAVING A HYDROCARBONIFEROUS MATERIAL INLET MEANS AT ITS UPPER END AND A HYDROCARBONIFEROUS MATERIAL OUTLET MEANS AT ITS LOWER END, SAID INLET AND OUTLET MEANS EACH HAVING DISPOSED THROUGH THEIR CROSS-SECTION A PLURALITY OF FLOW REGULATING MEANS, SAID REGULATING MEANS BEING OPERABLE TO PROVIDE A SEMI CONTINUOUS GRAVITY FLOW OF MATERIAL THROUGH THE HEATING CHAMBER WHILE MAINTAINING THE CHAMBER CONTINUOUSLY CLOSED TO THE ATMOSPHERE, MEANS FOR INJECTING HOT NON-COMBUSTION SUPPORTING GASES INTO THE CHAMBER AT THE LOWER END THEREOF AND ABOVE SAID OUTLET MEANS,
Claim 2
Dependent Claim
121 words
IN A SYSTEM FOR THE TREATMENT OF HYDROCARBONIFEROUS MATERIAL THE COMBINATION WHICH COMPRISES A GASEOUS RETORT MEANS, A GASEOUS HEATING MEANS AND A FRACTONATION MEANS, SAID RETORT MEANS CONSISTING OF AN ELONGATED SUBSTANTIALLY VERTICALLY DISPOSED HEATING CHAMBER HAVING A HYDROCARBONIFEROUS MATERIAL INLET MEANS AT ITS UPPER END AND A HYDROCARBONIFEROUS MATERIAL OUTLET MEANS AT ITS LOWER END, SAID INLET AND OUTLET MEANS EACH HAVING DISPOSED THROUGH THEIR CROSS-SECTION A PLURALITY OF FLOW REGULATING MEANS, SAID REGULATING MEANS BEING OPERABLE TO PROVIDE A SEMI CONTINUOUS GRAVITY FLOW OF MATERIAL THROUGH THE HEATING CHAMBER WHILE MAINTAINING THE CHAMBER CONTINUOUSLY CLOSED TO THE ATMOSPHERE, MEANS FOR INJECTING HOT NON-COMBUSTION SUPPORTING GASES INTO THE CHAMBER AT THE LOWER END THEREOF AND ABOVE SAID OUTLET MEANS,
References Cited (Backward Citations)
FR521286A
Cited
US1571877A
Cited
US1901169A
Cited
US1974295A
Cited
GB631069A
Cited
US2780586A
Cited
US2814587A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-11-04 | 1967-05-06 | 1967-11-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-11-04 | 1971-05-06 | 1971-11-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-11-04 | 1975-05-06 | 1975-11-05 | $7700.00 | Window Closed / Lapsed |