US2816067A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrolytic drying method
Assignee: EIDP Inc
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Filing: 1955-05-03
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Granted: 1957-12-10
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Expires: 1975-05-03
Abstract
No abstract record available.
Inventors
- 👤 Frederick A Keidel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 18:27
CPC Classifications
F; F26; F26B; F26B21/00; F26B21/30; F26B21/33; F26B21/331; Y; Y10; Y10S; Y10S204/00; Y10S204/06; Y10S204/07
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
81 words
A METHOD OF DRYING A FLUID COMPRISING CONTACTING THE WET FLUID WITH A HYGROSOPIC SUBSTANT ELECTRICALLY CONDUCTIVE ONLY WHEN WET AND ABSORBING SUBSTANTIALLY ALL OF THE WATER FROM SAID FLUID, WITHDRAWING HYGROSOPIC SUBTANCE TOGETHER WITH WATER ABSORBED IN SAID HYGROSCOPIC SUBSTANCE FROM CONTACT WITH SAID FLUID TO BE DRIED, ELECROLYZING WATER ABSORBED IN SAID HYGROSCOPIC SUBSTANCE REMOVED FROM SAID FLUID TO BE DRIED TO ELEMENTAL OXYGEN AND HYDROGEN, SEPARATING SAID HYGROSCOPIC FROMTANCE FROM SAID OXYGEN AND HYDROGEN AND RECYCLING HYGROSCOPIC SUB-
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) | 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 |