US3696007A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrolytic hygrometer cells and method of using same
Assignee: Individual
•
Filing: 1970-02-03
•
Granted: 1972-10-03
•
Expires: 1990-02-03
Abstract
Abstract AN IMPROVED METHOD OF MEASUREMENT OF THE MOISTURE CONTENT OF A GAS BY PASSING THE GAS THROUGH AN IMPROVED FORM OF ELECTROLYTIC HYGROMETER CELL WHEREIN THE AREA OF CONTACT OF THE GAS WITH THE DETECTOR ELEMENT OF THE CELL PROGRESSIVELY DECREASES IN SIZE FROM THE INLET TO THE OUTLET IN THE DIRECTION OF FLOW AND AN IMPROVED FORM OF DETECTING ELEMENT FOR SUCH A CELL WHEREIN THE INTERIDIGITATED ELECTRODE PATTERN IS EMBEDDED IN THE SURFACE OF A NONCONDUCTIVE SUBSTRATE.
Inventors
- 👤 Frank Bennett
- 👤 Ivor John Conibear
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 12:33
CPC Classifications
G; G01; G01N; G01N27/00; G01N27/26; G01N27/416; G01N27/42; G01N27/423
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) | 1975-10-03 | 1976-04-03 | 1976-10-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-10-03 | 1980-04-03 | 1980-10-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-10-03 | 1984-04-03 | 1984-10-03 | $7700.00 | Window Closed / Lapsed |