US2647045A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gasification of combustible materials
Assignee: Individual
•
Filing: 1949-05-12
•
Granted: 1953-07-28
•
Expires: 1969-05-12
Abstract
No abstract record available.
Inventors
- 👤 Rummel Roman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 00:40
CPC Classifications
C; C10; C10J; C10J3/00; C10J3/57; C10J3/72; C10J3/86; C10J2200/00; C10J2200/15; C10J2200/152; C10J2300/00; C10J2300/09; C10J2300/0913; C10J2300/093; C10J2300/0946; C10J2300/0953; C10J2300/0956; C10J2300/0959; C10J2300/0969; C10J2300/0973; C10J2300/0976; C10J2300/0983; C10J2300/0996
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
59 words
IN THE GASIFICATION OF COMBUSTIBLE MATERIAL OF THE COAL TYPE, THE IMPROVEMENT COMPRISING SUBSTANTIALLY CONTINUOUSLY INTRODUCING SUCH A MATERIAL IN SUBSTANTIALLY PARTICLED FORM INTO A MOLTEN SLAG BELOW THE SURFACE THEREOF, SUBSTANTIALLY CONTINUOUSLY CONTACTING SAID MATERIAL IN SAID SLAG WITH A COMBUSTION SUPPORTING GAS AND WITH AN ENDOTHERMIC GASIFICATION REACTANT FOR SAID MATERIAL, AND RECOVERING A COMBUSTIBLE GASMIXTURE THEREFROM.
Claim 2
Dependent Claim
59 words
IN THE GASIFICATION OF COMBUSTIBLE MATERIAL OF THE COAL TYPE, THE IMPROVEMENT COMPRISING SUBSTANTIALLY CONTINUOUSLY INTRODUCING SUCH A MATERIAL IN SUBSTANTIALLY PARTICLED FORM INTO A MOLTEN SLAG BELOW THE SURFACE THEREOF, SUBSTANTIALLY CONTINUOUSLY CONTACTING SAID MATERIAL IN SAID SLAG WITH A COMBUSTION SUPPORTING GAS AND WITH AN ENDOTHERMIC GASIFICATION REACTANT FOR SAID MATERIAL, AND RECOVERING A COMBUSTIBLE GASMIXTURE THEREFROM.
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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) | 1956-07-27 | 1957-01-26 | 1957-07-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-07-27 | 1961-01-26 | 1961-07-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-07-27 | 1965-01-26 | 1965-07-28 | $7700.00 | Window Closed / Lapsed |