Patent US3214352A successfully refreshed from Google Patents.
US3214352A
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US
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Distillation apparatus
Assignee: Individual
•
Filing: 1962-11-27
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Granted: 1965-10-26
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Expires: 1982-11-27
Abstract
No abstract record available.
Inventors
- 👤 Arthur N Wells
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 16:17
CPC Classifications
B; B01; B01D; B01D1/00; B01D1/28; B01D1/289; B01D1/2887; Y; Y10; Y10S; Y10S159/00; Y10S159/16; Y10S203/00; Y10S203/18
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-10-25 | 1969-04-26 | 1969-10-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-25 | 1973-04-26 | 1973-10-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-25 | 1977-04-26 | 1977-10-26 | $7700.00 | Window Closed / Lapsed |