Patent US3553576A successfully refreshed from Google Patents.
US3553576A
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Hygroscopic probe apparatus for detecting the water vapor content of organic liquids
Assignee: Solvay SA
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Filing: 1967-11-28
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Granted: 1971-01-05
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Expires: 1987-11-28
Abstract
Abstract APPARATUS FOR CONTINUOUSLY DETECTING THE PRESENCE OF WATER IN ORGANIC LIQUIDS INCLUDING A R ESISTANCE PROBE PLACED WITHIN A THERMOSTATICALLY CONTROLLED ENCLOSURE INTO WHICH THE LIQUID TO BE ANALYZED PENETRATES BY RUNNING DOWN ALONG THE WALLS AND IS PLACED IN EQUILIBRIUM WITH ITS VAPOR, ONE OF THE CONDUCTIVE WIRES OF THE PROBE BEING HEATED SO AS TO PREVENT CONDENSATION OF SATURATED VAPOR.
Inventors
- 👤 Jose Petitjean
- 👤 Arthur Van Hove
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 12:17
CPC Classifications
G; G01; G01N; G01N27/00; G01N27/02; G01N27/04; G01N27/12; G01N27/121
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) | 1974-01-04 | 1974-07-06 | 1975-01-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-01-04 | 1978-07-06 | 1979-01-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-01-04 | 1982-07-06 | 1983-01-05 | $7700.00 | Window Closed / Lapsed |