US3455791A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vapor compression distillation with lobe ring compressor
Assignee: Nash Engineering Co
•
Filing: 1966-12-06
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Granted: 1969-07-15
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Expires: 1986-12-06
Abstract
No abstract record available.
Inventors
- 👤 Benjamin C Nash
- 👤 James B Fitch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 21:19
CPC Classifications
B; B01; B01D; B01D1/00; B01D1/28; B01D1/289; B01D1/284; B01D1/2846; F; F04; F04C; F04C19/00; F04C19/004; F04C19/005; F04C19/008; Y; Y02; Y02A; Y02A20/00; Y02A20/124; Y10; Y10S; Y10S203/00; Y10S203/11
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2280093A
Cited
US2389789A
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US2537259A
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US2637684A
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US2515013A
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US2619453A
Cited
FR1359062A
Cited
US3312600A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-07-14 | 1973-01-13 | 1973-07-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-07-14 | 1977-01-13 | 1977-07-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-07-14 | 1981-01-13 | 1981-07-15 | $7700.00 | Window Closed / Lapsed |