US3598711A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrochemical oxygen analyzer
Assignee: Elsag Bailey Inc
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Filing: 1967-11-15
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Granted: 1971-08-10
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Expires: 1987-11-15
Abstract
Abstract AN ELECTROCHEMICAL CELL HAVING A ZIRCONIUM-OXIDE TUBULAR ELECTROLYTE WITH A POROUS PLATINUM ELECTRODE BONDED TO THE INNER SURFACE OF THE ELETROLYTE TUBE AND A SIMIAR PLATINUM ELECTRODE BONDED TO THE OUTER SURFACE OF THE ELECTROLYTE TUBE. A PLATINUM LEAD EXTENDING FROM EACH ELECTRODE TRANSMITS THE CELL EMF GENERATED WHEN THE INNER AND OUTER SURFACES OF THE ELECTROLYTE ARE IN CONTACT WITH GASES HAVING UNEQUAL CONCENTRATIONS OF OXYGEN.
Inventors
- 👤 Louis R Flais
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 00:58
CPC Classifications
G; G01; G01N; G01N27/00; G01N27/26; G01N27/403; G01N27/406; G01N27/4067
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) | 1974-08-09 | 1975-02-08 | 1975-08-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-08-09 | 1979-02-08 | 1979-08-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-08-09 | 1983-02-08 | 1983-08-10 | $7700.00 | Window Closed / Lapsed |