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Patent US3485013A successfully refreshed from Google Patents.
US3485013A
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Separation of fluid mixtures
Assignee: Phillips Petroleum Co
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Filing: 1967-10-17
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Granted: 1969-12-23
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Expires: 1987-10-17
Abstract
No abstract record available.
Inventors
- 👤 William C Mccarthy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 21:49
CPC Classifications
B; B01; B01D; B01D53/00; B01D53/02; B01D53/04; B01D2257/00; B01D2257/70; B01D2257/702; B01D2259/00; B01D2259/40; B01D2259/401; B01D2259/402; B01D2259/41
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3164980A
Cited
US3192687A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-12-22 | 1973-06-23 | 1973-12-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-12-22 | 1977-06-23 | 1977-12-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-12-22 | 1981-06-23 | 1981-12-23 | $7700.00 | Window Closed / Lapsed |