US2953445A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gasification of fuels and decomposition of gases
Assignee: Individual
•
Filing: 1956-07-31
•
Granted: 1960-09-20
•
Expires: 1976-07-31
Abstract
No abstract record available.
Inventors
- 👤 Rummel Roman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 18:21
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
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US39480A
Cited
GB189606922A
Cited
US1592860A
Cited
US1592861A
Cited
GB226500A
Cited
US1803221A
Cited
GB332366A
Cited
GB465548A
Cited
GB666119A
Cited
GB744153A
Cited
US2844453A
Cited
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 |