US3741879A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for distillation of fluids
Assignee: Individual
•
Filing: 1972-05-30
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Granted: 1973-06-26
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Expires: 1992-05-30
Abstract
Abstract Fluids are subjected to distillation by causing vapors to pass vertically through tubular conduits while a cooler liquid film flows over the outside of the conduits. The vapors condense and give up heat to the liquid film causing a portion of it to vaporize. The tubular conduits are contained in a bundle within a shell in which the vapors thus generated are collected. A vapor outlet is mounted in the shell to permit emission of the vapors. A perimetric space surrounding the tube bundle serves to facilitate the emission of the vapors from the shell.
Inventors
- 👤 T Best
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 07:59
CPC Classifications
F; F28; F28D; F28D3/00; F28D3/02; B; B01; B01D; B01D1/00; B01D1/06; B01D1/065; C; C02; C02F; C02F1/00; C02F1/02; C02F1/04; C02F1/08; C02F1/16; F28B; F28B1/00; F28B1/02; Y; Y02; Y02A; Y02A20/00; Y02A20/124
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-06-25 | 1976-12-25 | 1977-06-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-06-25 | 1980-12-25 | 1981-06-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-06-25 | 1984-12-25 | 1985-06-26 | $7700.00 | Window Closed / Lapsed |