Patent US2953445A successfully refreshed from Google Patents.
US2953445A
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Gasification of fuels and decomposition of gases
Assignee: Individual
•
Filing: 1956-07-31
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Granted: 1960-09-20
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Expires: 1976-07-31
Abstract
No abstract record available.
Inventors
- 👤 Rummel Roman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 08:08
CPC Classifications
C; C01; C01B; C01B3/00; C01B3/02; C01B3/06; C01B3/08; C01B3/10; C01B3/061; C01B3/063; C01B3/12; C01B3/32; C01B3/34; C01B32/00; C01B32/40; C10; C10H; C10H13/00; C10J; C10J3/00; C10J3/57; C10J3/72; C10J3/74; C10J3/82; C10J3/84; C01B2203/00; C01B2203/02; C01B2203/025; C01B2203/12; C01B2203/1205; C01B2203/1211; C01B2203/1235; C01B2203/1241; C10J2300/00; C10J2300/09; C10J2300/0913; C10J2300/093; C10J2300/0943; C10J2300/0946; C10J2300/0953; C10J2300/0956; C10J2300/0959; C10J2300/0969; C10J2300/0973; C10J2300/0976; C10J2300/0983; C10J2300/0996; C10J2300/12; C10J2300/1253; C10J2300/18; C10J2300/1861; C10J2300/1869; C10J2300/1884; C10J2300/1892; Y; Y02; Y02E; Y02E60/00; Y02E60/30; Y02E60/36
Claims Analysis
Total Claims: 0
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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) | 1963-09-20 | 1964-03-21 | 1964-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-09-20 | 1968-03-21 | 1968-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-09-20 | 1972-03-21 | 1972-09-20 | $7700.00 | Window Closed / Lapsed |