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US2529630A
Expired / Lapsed
US
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Process for the manufacture of synthesis gases
Assignee: Stanolind Oil and Gas Co
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Filing: 1947-04-25
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Granted: 1950-11-14
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Expires: 1967-04-25
Abstract
No abstract record available.
Inventors
- 👤 Eric H Reichl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 16:33
CPC Classifications
C; C01; C01B; C01B3/00; C01B3/02; C01B3/32; C01B3/34; C01B3/38; C01B3/36; C01B3/382
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1847242A
Cited
US1929665A
Cited
US2135058A
Cited
US2324172A
Cited
US2381696A
Cited
US2347682A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-11-13 | 1954-05-15 | 1954-11-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-11-13 | 1958-05-15 | 1958-11-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-11-13 | 1962-05-15 | 1962-11-14 | $7700.00 | Window Closed / Lapsed |