US3365374A
Expired / Lapsed
US
⏱️ 0.0 years remaining
H2s recovery by absorption and plural distillation
Assignee: Chevron USA Inc
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Filing: 1967-06-07
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Granted: 1968-01-23
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Expires: 1987-06-07
Abstract
No abstract record available.
Inventors
- 👤 William L Short
- 👤 Walter M Bollen
- 👤 Gordon H Goff
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 07:30
CPC Classifications
C; C10; C10G; C10G49/00; C10G49/007; B; B01; B01D; B01D53/00; B01D53/34; B01D53/46; B01D53/48; B01D53/52; B01D53/523; C01; C01B; C01B17/00; C01B17/16; C01B17/167; C10G49/22; C10K; C10K1/00; C10K1/08; C10K1/10
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) | 1971-01-22 | 1971-07-24 | 1972-01-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-01-22 | 1975-07-24 | 1976-01-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-01-22 | 1979-07-24 | 1980-01-23 | $7700.00 | Window Closed / Lapsed |