US3417014A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for emulsion control
Assignee: Phillips Petroleum Co
•
Filing: 1966-10-04
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Granted: 1968-12-17
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Expires: 1986-10-04
Abstract
No abstract record available.
Inventors
- 👤 William B Lumpkin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 01:59
CPC Classifications
B; B01; B01D; B01D3/00; B01D3/42; B01D3/4211; B01D3/4227; Y; Y10; Y10T; Y10T137/00; Y10T137/0318; Y10T137/0324
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2689875A
Cited
US2881118A
Cited
US2868701A
Cited
US3256902A
Cited
US3238111A
Cited
US3309309A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-12-17 | 1972-06-17 | 1972-12-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-17 | 1976-06-17 | 1976-12-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-17 | 1980-06-17 | 1980-12-17 | $7700.00 | Window Closed / Lapsed |