Patent US3617718A successfully refreshed from Google Patents.
Patent US3071530A successfully refreshed from Google Patents.
US3071530A
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Oxygen sensor
Assignee: Individual
•
Filing: 1959-03-20
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Granted: 1963-01-01
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Expires: 1979-03-20
Abstract
No abstract record available.
Inventors
- 👤 Neville James Ryan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 21:33
CPC Classifications
G; G01; G01N; G01N27/00; G01N27/26; G01N27/403; G01N27/404
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
118 words
OXYGEN SENSOR APPARATUS COMPRISING, IN COMBINATION, A MINIATURIZED ASSEMBLY COMPRISING A PAIR OF COMPLEMENTARY CHAMBERED MEMBERS HAVING REGISTERING PASSAGES THEREIN FOR RECEPTION OF ELECTROLYTIC FLUID AND A SAMPLE OF OXYGEN TO BE TESTED, A PAIR OF ELECTRODES MOUNTED IN ONE OF SAID MEMBERS, THE PASSAGES IN SAID MEMBER COMPRISING A PLURALITY OF RELATIVELY DEEP WELLS FOR RETENTION OF SAID FLUID AND RELATIVELY SHALLOW TROUGH MEANS INTERCONNECTING SAID WELLS FACILITATING OPTIMUM DISTRIBUTION OF SAID FLUID THROUGHOUT SAID MEMBER, OXYGEN PERMEABLE MEMBRANOUS MEANS INTERPOSED BETWEEN SAID MEMBERS TO RETAIN AND CONTROLLABLY DIRECT THE INTRODUCED OXYGEN TO WARD SAID ELECTRODES AND MEANS IN ELECTRICAL CONNECTION WITH SAID ELECTRODES FOR MEASURING THE EXTENT OF ELECTRON CURRENT FLOW REREPRESENTATIVE OF THE OXYGEN CONTENT.
Claim 2
Dependent Claim
118 words
OXYGEN SENSOR APPARATUS COMPRISING, IN COMBINATION, A MINIATURIZED ASSEMBLY COMPRISING A PAIR OF COMPLEMENTARY CHAMBERED MEMBERS HAVING REGISTERING PASSAGES THEREIN FOR RECEPTION OF ELECTROLYTIC FLUID AND A SAMPLE OF OXYGEN TO BE TESTED, A PAIR OF ELECTRODES MOUNTED IN ONE OF SAID MEMBERS, THE PASSAGES IN SAID MEMBER COMPRISING A PLURALITY OF RELATIVELY DEEP WELLS FOR RETENTION OF SAID FLUID AND RELATIVELY SHALLOW TROUGH MEANS INTERCONNECTING SAID WELLS FACILITATING OPTIMUM DISTRIBUTION OF SAID FLUID THROUGHOUT SAID MEMBER, OXYGEN PERMEABLE MEMBRANOUS MEANS INTERPOSED BETWEEN SAID MEMBERS TO RETAIN AND CONTROLLABLY DIRECT THE INTRODUCED OXYGEN TO WARD SAID ELECTRODES AND MEANS IN ELECTRICAL CONNECTION WITH SAID ELECTRODES FOR MEASURING THE EXTENT OF ELECTRON CURRENT FLOW REREPRESENTATIVE OF THE OXYGEN CONTENT.
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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) | 1965-12-31 | 1966-07-02 | 1967-01-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-12-31 | 1970-07-02 | 1971-01-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-12-31 | 1974-07-02 | 1975-01-01 | $7700.00 | Window Closed / Lapsed |