US2816064A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Water distillation
Assignee: Barnstead Still and Sterilizer Co
•
Filing: 1955-10-24
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Granted: 1957-12-10
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Expires: 1975-10-24
Abstract
No abstract record available.
Inventors
- 👤 Verity C Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 16:48
CPC Classifications
C; C02; C02F; C02F1/00; C02F1/02; C02F1/04; C02F1/045; Y; Y10; Y10S; Y10S159/00; Y10S159/29; Y10S203/00; Y10S203/18
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
71 words
IN THE METHOD OF PURIIFYING WATER BY DISTILLATION WHEREIN WATER IS CONVERTED TO VAPOR AND THE VAPOR IS SUBSEQUENTLY CONDENSED TO CONDENSATE, THE IMPROVEMENT COMPRISING PASSING THE VAPOR IN INTIMATE COUNTER-CURRENT CONTACT WITH CONDENSATE, CONDENSING THE VAPOR AFTER SAID CONTACT TO FORM CONDENSATE WHILE VENTING UNCONDENSED GASES FROM CONTACT WITH CONDENSATE, PASSING THE CONNDENSATE IN INTIMATE COUNTER-CURRENT CONTACT WITH VAPOR AND FINALLY COLLECTING THE CONDENSATED AS PRODUCT AFTER CONTACT WITH VAPOR.
References Cited (Backward Citations)
US698724A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-12-09 | 1961-06-10 | 1961-12-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-12-09 | 1965-06-10 | 1965-12-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-12-09 | 1969-06-10 | 1969-12-10 | $7700.00 | Window Closed / Lapsed |