US2494576A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process and apparatus for making combustible gas
Assignee: Individual
•
Filing: 1946-05-17
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Granted: 1950-01-17
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Expires: 1966-05-17
Abstract
No abstract record available.
Inventors
- 👤 William W Odell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 12:22
CPC Classifications
C; C10; C10J; C10J3/00; C10J3/02; C10J3/20; C10J3/34; C10J3/36; C10J3/46; C10J3/48; C10J3/482; C10J3/72; C10J3/74; C10J2300/00; C10J2300/09; C10J2300/0913; C10J2300/093; C10J2300/0943; C10J2300/0953; C10J2300/0956; C10J2300/0959; C10J2300/0973; C10J2300/0976; C10J2300/0983; C10J2300/0993; C10J2300/18; C10J2300/1861; C10J2300/1884
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) | 1953-01-16 | 1953-07-18 | 1954-01-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-01-16 | 1957-07-18 | 1958-01-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-01-16 | 1961-07-18 | 1962-01-17 | $7700.00 | Window Closed / Lapsed |