US3364731A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Condensate level responsive batch distillation
Assignee: Standard Oil Co
•
Filing: 1964-12-14
•
Granted: 1968-01-23
•
Expires: 1984-12-14
Abstract
No abstract record available.
Inventors
- 👤 Roy E Hook
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 11:23
CPC Classifications
G; G01; G01N; G01N25/00; G01N25/14; Y; Y10; Y10S; Y10S203/00; Y10S203/13; Y10S203/19
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1863346A
Cited
US1953716A
Cited
US2577615A
Cited
US2851404A
Cited
US3094468A
Cited
US3269919A
Cited
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 |