US2577632A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for supplying plasticizable carbonaceous solids into a gasification zone
Assignee: Standard Oil Development Co
•
Filing: 1946-08-27
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Granted: 1951-12-04
•
Expires: 1966-08-27
Abstract
No abstract record available.
Inventors
- 👤 Bruno E Roetheli
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 23:25
CPC Classifications
C; C10; C10J; C10J3/00; C10J3/46; C10J3/48; C10J3/50; C10J3/503; B; B01; B01J; B01J8/00; B01J8/18; B01J8/24; C10B; C10B49/00; C10B49/02; C10B49/04; C10B49/08; C10B49/10; C10J3/482; C10J2300/00; C10J2300/09; C10J2300/0913; C10J2300/093; C10J2300/0936; Y; Y10; Y10S; Y10S48/00; Y10S48/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-12-03 | 1955-06-04 | 1955-12-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-12-03 | 1959-06-04 | 1959-12-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-12-03 | 1963-06-04 | 1963-12-04 | $7700.00 | Window Closed / Lapsed |