US3362903A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydrogen purification in hydroconversion processes
Assignee: Texaco Inc
•
Filing: 1964-08-17
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Granted: 1968-01-09
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Expires: 1984-08-17
Abstract
No abstract record available.
Inventors
- 👤 Bank Security First National
- 👤 Warren G Schlinger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 15:50
CPC Classifications
C; C10; C10G; C10G49/00; C10G49/007; C01; C01B; C01B3/00; C01B3/50; C01B3/52; C01B2203/00; C01B2203/04; C01B2203/0415; C01B2203/0465; C01B2203/048; C01B2203/0485
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) | 1971-01-08 | 1971-07-10 | 1972-01-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-01-08 | 1975-07-10 | 1976-01-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-01-08 | 1979-07-10 | 1980-01-09 | $7700.00 | Window Closed / Lapsed |