US3703457A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sensor with anion exchange resin electrolyte
Assignee: DS MEDICAL PRODUCTS Co A CORP
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Filing: 1970-10-15
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Granted: 1972-11-21
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Expires: 1990-10-15
Abstract
Abstract A SENSOR HAS A RIGID ELECTRICALLY INSULATING MATRIX, AT LEAST A PAIR OF GENERALLY PARALLEL, ELONGATED ELECTRODES EMBEDDED IN THE MATRIX, THE ELECTRODES ELECTRICALLY INSULATED FROM EACH OTHER BY THE MATRIX MATERIAL AND OPPOSITE ENDS EXPOSED, AN ANION EXCHANGE RESIN ELECTROLYTE CONTACTING THE EXPOSED ENDS OF THE ELECTRODES AT ONE END OF THE MATRIX AND AN OUTER SHEATH OF DIFFUSION BARRIER MATERIAL ENCAPSULATING AT LEAST THE ELECTRODES AND THE ELECTROLYTE. METHODS OF MANUFACTURING SUCH SENSORS ARE ALSO DESCRIBED.
Inventors
- 👤 Leonard W Niedrach
- 👤 William H Stoddard Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 07:39
CPC Classifications
G; G01; G01N; G01N27/00; G01N27/26; G01N27/403; G01N27/404
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) | 1975-11-21 | 1976-05-22 | 1976-11-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-11-21 | 1980-05-22 | 1980-11-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-11-21 | 1984-05-22 | 1984-11-21 | $7700.00 | Window Closed / Lapsed |