US3776831A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for measuring oxygen activity in liquid sodium
Assignee: United States Atomic Energy Commission
•
Filing: 1972-11-15
•
Granted: 1973-12-04
•
Expires: 1992-11-15
Abstract
Abstract A COMPOSITE CERAMIC ELECTROLYTE IN A CONFIGURATION (SUCH AS A CLOSED END TUBE OR A PLATE) SUITABLE TO SEPARATE LIQUID SODIUM FROM A REFERENCE ELECTRODE WITH A HIGH IMPEDANCE VOLTMETER CONNECTED TO MEASURE EMF BETWEEN THE SODIUM AND THE REFERENCE ELECTRODE AS A MEASURE OF OXYGEN ACTIVITY IN THE SODIUM. THE COMPOSITE ELECTROLYTE CONSISTS OF ZIRCONIA-CALCIA WITH A BONDED LAYER OF THORIAYTTRIA. THE DEIVCE IS USED WITH A GASEOUS REFERENCE ELECTRODE ON THE ZIRCONIA-CALCIA SIDE AND LIQUID SODIUM ON THE THORIA-YTTRIA SIDE OF THE ELECTROLYTE. D R A W I N G
Inventors
- 👤 P Roy
- 👤 R Young
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 07:37
CPC Classifications
G; G01; G01N; G01N27/00; G01N27/26; G01N27/403; G01N27/406; G01N27/407; G01N27/4073
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1976-12-03 | 1977-06-04 | 1977-12-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-12-03 | 1981-06-04 | 1981-12-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-12-03 | 1985-06-04 | 1985-12-04 | $7700.00 | Window Closed / Lapsed |