US2830945A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for water determination
Assignee: EIDP Inc
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Filing: 1955-05-03
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Granted: 1958-04-15
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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
2026-10-23 18:00
CPC Classifications
G; G01; G01N; G01N27/00; G01N27/26; G01N27/416; G01N27/42; G01N27/423
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
142 words
AN APPARATUS FOR THE DETERMINATION OF THE WATER CONTENT OF A FLUID COMPRISING IN COMBINATION A CLOSED CONDUIT DEFINING A FLUID-RETAINING SPACE, FLUID INLET AND OUTLET OPENINGS IN SAID CONDUIT AT LEAST ONE PAIR OF ELECTRICALLY ISOLATED ELECTRODES DISPOSED IN CLOSE PRIXIMITY TO EACH OTHER WITHIN SAID FLUID-RETAINING SPACE, A HYGROSCOPIC SUBSTANCE WHICH ELECTRICALLY CONDUCTIVELY ONLY WHEN WET IN CONTACT WITH BOTH SAID ELECTRODES IN AMOUNT SUFFICIENT TO ABSORB SUBSTANTIALLY ALL OF THE WATER IN FLUID PASSED INTO SAID CONDUIT, A DIRECT CURRENT POWER SOURCE OF VOLTAGE SUFFICIENT TO ELECTROLYZE ABSORBED MOISTURE IN SAID HYGROSCOPIC SUBSTANCE CONNECTED ACROSS SAID ELECTRODE, AND CURRENT MEASURING MEANS CONNECTED IN CIRCUIT WITH SAID POWER SOURCE AND SAID ELECTRODES FOR MEASURING THE WATER CONTENT OF SAID FLUID AS A FUNCTION OF THE CURRENT DELIVERED BY SAID POWER SOURCE IN THE COURSE OF ELECTROLYSIS OF SAID ABSORBED WATER.
Claim 2
Independent Claim
142 words
AN APPARATUS FOR THE DETERMINATION OF THE WATER CONTENT OF A FLUID COMPRISING IN COMBINATION A CLOSED CONDUIT DEFINING A FLUID-RETAINING SPACE, FLUID INLET AND OUTLET OPENINGS IN SAID CONDUIT AT LEAST ONE PAIR OF ELECTRICALLY ISOLATED ELECTRODES DISPOSED IN CLOSE PRIXIMITY TO EACH OTHER WITHIN SAID FLUID-RETAINING SPACE, A HYGROSCOPIC SUBSTANCE WHICH ELECTRICALLY CONDUCTIVELY ONLY WHEN WET IN CONTACT WITH BOTH SAID ELECTRODES IN AMOUNT SUFFICIENT TO ABSORB SUBSTANTIALLY ALL OF THE WATER IN FLUID PASSED INTO SAID CONDUIT, A DIRECT CURRENT POWER SOURCE OF VOLTAGE SUFFICIENT TO ELECTROLYZE ABSORBED MOISTURE IN SAID HYGROSCOPIC SUBSTANCE CONNECTED ACROSS SAID ELECTRODE, AND CURRENT MEASURING MEANS CONNECTED IN CIRCUIT WITH SAID POWER SOURCE AND SAID ELECTRODES FOR MEASURING THE WATER CONTENT OF SAID FLUID AS A FUNCTION OF THE CURRENT DELIVERED BY SAID POWER SOURCE IN THE COURSE OF ELECTROLYSIS OF SAID ABSORBED WATER.
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) | 1961-04-14 | 1961-10-14 | 1962-04-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-04-14 | 1965-10-14 | 1966-04-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-04-14 | 1969-10-14 | 1970-04-15 | $7700.00 | Window Closed / Lapsed |