Oxygen sensor
Abstract
Abstract AN OXYGEN SENSOR HAS A FIRST ELECTRODE OF A CORRODIBLE METALLIC BASE MEMBER, A SECOND ELECTRODE OF A NOBLE METAL COUPLED ELECTRICALLY TI THE METAL OF THE FIRST ELECTRODE, A THIRD ELECTRODE SURROUNDING AT LEAST A PORTON OG THE METAL OF THE FIRST ELECTRODE, THE THIRD ELECTRODE COM-F PRI ING SILVER WITH AT LEAST A PARTIAL LAYER OF SILVER HALIDE THEREON, A FIRST LAYER OF ELECTRICAL INSULATION DEPOSED BETWEEN THE FIRST AND THIRD ELECTRODES, A SECOND LAYER OF ELECTRICAL INSULATION DISPOSED OVER THE THIRD ELECTRODE, AN AQUEOUS ELECTROLYTE CONTACTING AT LEAST A PORTION OF THE FIRST ELECTRODE, THE SECOND ELECTRODE, AND THE SILVER HALIDE LAYER OF THE THIRD ELECTRODEM AND AN OUTER SHEATH OF OXYGEN PERMEABLE ION-IMPERMEABLE DIFFUSION BARRIER MATERIAL ENCAPSULATING AT LEAST THE ELECTROLYTE, AND THE PORTONS OF THE FIRST ELECTRODE, THE SECOND ELECTRODE, AND THE SILVER HALIDE LAYER OF THE THIRD ELECTRODE IN CONTACT WITH THE ELECTROLYTE.
Inventors
- 👤 L Niedrach
- 👤 W Grubb
Bibliographic Details
Claims Analysis
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-02-25 | 1977-08-27 | 1978-02-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-02-25 | 1981-08-27 | 1982-02-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-02-25 | 1985-08-27 | 1986-02-26 | $7700.00 | Window Closed / Lapsed |