US2738262A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Manufacture of fuel gas
Assignee: Phillips Petroleum Co
•
Filing: 1950-11-17
•
Granted: 1956-03-13
•
Expires: 1970-11-17
Abstract
No abstract record available.
Inventors
- 👤 George R Benz
- 👤 Louis C Bearer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 19:54
CPC Classifications
C; C01; C01B; C01B3/00; C01B3/02; C01B3/22; C01B3/24; C01B3/28
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
121 words
A PROCESS FOR MANUFACTURING A HEATING GAS OF FIXED SPECIFIC GRAVITY COMPRISING HEATING A GRAVITATING COMPACT COLUMN OF REFRACTORY PRBBLES IN AN UPPER CONFINED HEATING ZONE BY CONTACT WITH HOT COMBUSTION GAS; GRAVITATING THE RESULTING HOT PEBBLES THROUGH A RELATIVELY NARROW PASSAGEWAY INTO AN EXPANDED REACTION ZONE; CONTACTING THE GRAVITATING COLUMN OF PEBBLES IN SAID REACTION ZONE WITH A MIX TURE OF STEAM AND A GASEOUS C2 TO C10 HYDROCARBON UNDER REACTION CONDITIONS SO AS TO FORM WATER GAS; MAINTAINING THE PRESSURE IN SAID HEATING ZONE ABOVE THAT IN SAID REACTION ZONE BY THROTTLING THE FLOW OF COMBUSTION GAS OUT OF SAID HEATING ZONE SO AS TO CAUSE A SUBSTANTIAL PORTION OF SAID COMBUSTION GAS TO FLOW THROUGH SAID PASSAGEWAY INTO
Claim 2
Dependent Claim
121 words
A PROCESS FOR MANUFACTURING A HEATING GAS OF FIXED SPECIFIC GRAVITY COMPRISING HEATING A GRAVITATING COMPACT COLUMN OF REFRACTORY PRBBLES IN AN UPPER CONFINED HEATING ZONE BY CONTACT WITH HOT COMBUSTION GAS; GRAVITATING THE RESULTING HOT PEBBLES THROUGH A RELATIVELY NARROW PASSAGEWAY INTO AN EXPANDED REACTION ZONE; CONTACTING THE GRAVITATING COLUMN OF PEBBLES IN SAID REACTION ZONE WITH A MIX TURE OF STEAM AND A GASEOUS C2 TO C10 HYDROCARBON UNDER REACTION CONDITIONS SO AS TO FORM WATER GAS; MAINTAINING THE PRESSURE IN SAID HEATING ZONE ABOVE THAT IN SAID REACTION ZONE BY THROTTLING THE FLOW OF COMBUSTION GAS OUT OF SAID HEATING ZONE SO AS TO CAUSE A SUBSTANTIAL PORTION OF SAID COMBUSTION GAS TO FLOW THROUGH SAID PASSAGEWAY INTO
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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) | 1959-03-13 | 1959-09-12 | 1960-03-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-03-13 | 1963-09-12 | 1964-03-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-03-13 | 1967-09-12 | 1968-03-13 | $7700.00 | Window Closed / Lapsed |