Patent US3545926A successfully refreshed from Google Patents.
US3545926A
Expired / Lapsed
US
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Production of synthesis gas and hydrogen
Assignee: Texaco Inc
•
Filing: 1968-05-29
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Granted: 1970-12-08
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Expires: 1988-05-29
Abstract
No abstract record available.
Inventors
- 👤 Warren G Schlinger
- 👤 William L Slater
- 👤 Roger M Dile
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 17:32
CPC Classifications
C; C01; C01B; C01B3/00; C01B3/02; C01B3/32; C01B3/34; C01B3/36; C01B3/48; C01B2203/00; C01B2203/02; C01B2203/025; C01B2203/0255; C01B2203/0283; C01B2203/04; C01B2203/0465; C01B2203/0475; C01B2203/0485; C01B2203/049; C01B2203/0495; C01B2203/08; C01B2203/0805; C01B2203/0838; C01B2203/0844; C01B2203/0872; C01B2203/0877; C01B2203/0888; C01B2203/0894; C01B2203/10; C01B2203/1041; C01B2203/1047; C01B2203/1094; C01B2203/12; C01B2203/1276; C01B2203/14; C01B2203/146; C01B2203/147; C01B2203/16; C01B2203/1685
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1809978A
Cited
US1904908A
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US2829113A
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US2793938A
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US2809104A
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US3232727A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-12-07 | 1974-06-08 | 1974-12-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-12-07 | 1978-06-08 | 1978-12-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-12-07 | 1982-06-08 | 1982-12-08 | $7700.00 | Window Closed / Lapsed |