US3409510A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for distilling ethyl alcohol by the addition of a blend of siloxanes
Assignee: Eastman Kodak Co
•
Filing: 1966-10-19
•
Granted: 1968-11-05
•
Expires: 1986-10-19
Abstract
No abstract record available.
Inventors
- 👤 Master Gregg I Le
- 👤 Don S Martin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 18:48
CPC Classifications
B; B01; B01D; B01D3/00; B01D3/001
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2808378A
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US2467177A
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US2416504A
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US2461371A
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US2702793A
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US2801211A
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US3115472A
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US3264365A
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US3267042A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-11-05 | 1972-05-06 | 1972-11-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-11-05 | 1976-05-06 | 1976-11-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-11-05 | 1980-05-06 | 1980-11-05 | $7700.00 | Window Closed / Lapsed |