US3001604A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for dehydrating oil and water emulsions
Assignee: Black Sivalls and Bryson Inc
•
Filing: 1958-05-28
•
Granted: 1961-09-26
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Expires: 1978-05-28
Abstract
No abstract record available.
Inventors
- 👤 Marvin S Worley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 15:34
CPC Classifications
C; C10; C10G; C10G33/00; C10G33/06; Y; Y10; Y10S; Y10S159/00; Y10S159/33
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US306965A
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DE419868C
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US1848125A
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US1879849A
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US2860815A
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US2780304A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-09-25 | 1965-03-27 | 1965-09-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-09-25 | 1969-03-27 | 1969-09-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-09-25 | 1973-03-27 | 1973-09-26 | $7700.00 | Window Closed / Lapsed |