US3501400A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Deentrainment distillation of hydrocarbons in stripping column having arrester plate and collar
Assignee: Chevron USA Inc
•
Filing: 1968-02-08
•
Granted: 1970-03-17
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Expires: 1988-02-08
Abstract
No abstract record available.
Inventors
- 👤 Gerald L Brody
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 11:45
CPC Classifications
C; C10; C10G; C10G7/00; B; B01; B01D; B01D3/00; B01D3/06; B01D3/14; B01D3/16; B01D3/18
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
CA500796A
Cited
US1962153A
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US2217386A
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US2217356A
Cited
US2726198A
Cited
US3080300A
Cited
US3093468A
Cited
US3075578A
Cited
US3217469A
Cited
US3328264A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-03-16 | 1973-09-15 | 1974-03-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-03-16 | 1977-09-15 | 1978-03-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-03-16 | 1981-09-15 | 1982-03-17 | $7700.00 | Window Closed / Lapsed |