US3178272A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gasification of hydrocarboncontaining oils
Assignee: Gas Council
•
Filing: 1959-09-25
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Granted: 1965-04-13
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Expires: 1979-09-25
Abstract
No abstract record available.
Inventors
- 👤 Dent Frederick James
- 👤 Wood Frank Chiltern
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 20:47
CPC Classifications
C; C10; C10G; C10G47/00; C01; C01B; C01B3/00; C01B3/02; C01B3/22; C01B3/24; C01B3/28; C01B3/32; C01B3/34; C01B3/38; C01B3/384; C01B3/48; C07; C07C; C07C9/00; C07C9/02; C07C9/04; C01B2203/00; C01B2203/02; C01B2203/0283; C01B2203/04; C01B2203/0465; C01B2203/0475; C01B2203/10; C01B2203/1041; C01B2203/1047; C01B2203/1052; C01B2203/12; C01B2203/1258; C01B2203/1264; C01B2203/127; C10G2400/00; C10G2400/26; Y; Y02; Y02P; Y02P30/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2330089A
Cited
US2268187A
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US2573906A
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US2639982A
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US2738307A
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US2759806A
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US2894897A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-04-12 | 1968-10-12 | 1969-04-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-04-12 | 1972-10-12 | 1973-04-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-04-12 | 1976-10-12 | 1977-04-13 | $7700.00 | Window Closed / Lapsed |