Patent US3260656A successfully refreshed from Google Patents.
US3260656A
Expired / Lapsed
US
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Method and apparatus for electrolytically determining a species in a fluid
Assignee: Corning Glass Works
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Filing: 1962-09-27
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Granted: 1966-07-12
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Expires: 1982-09-27
Abstract
No abstract record available.
Inventors
- 👤 Jr James W Ross
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 09:00
CPC Classifications
G; G01; G01N; G01N27/00; G01N27/26; G01N27/403; G01N27/404
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
121 words
METHOD OF MEASURING THE CONCENTRATION OF AN ELECTROCHEMICALLY ACTIVE GAS IN A FLUID COMPRISING THE STEPS OF: PROVIDING A BODY OF ELECTROLYTIC MEDIUM FROM WHICH SAID GAS CAN BE ELECTROLYTICALLY GENERATED; DIFFUSING SAID GAS BETWEEN SAID FLUID AND SAID MEDIUM THROUGH BARRIER MEANS SELECTIVELY PERMEABLE TO SAID GAS, AND IMPERMEABLE TO BOTH SAID MEDIUM AND FLUID; IMPRESSING A FIRST POTENTIAL ON A FIRST ELECTROCHEMICALLLY INERT METAL ELECTRODE IMMERSED IN SAID MEDIUM AND A SECOND POTENTIAL ON A SECOND ELECTROCHEMICALLY INERT METAL ELECTRODE IMMERSED IN SAID MEDIUM SO AS TO CAUSE A FLOW CURRENT AT SAID ELECTRODES; POSITIONING SAID ELECTRODES IN SPACED RELATION TO ONE ANOTHER AND TO SAID BARRIER MEANS, AND MAINTAINING SAID POTENTIALS AT MAGNITUDE AND VALUES AT WHICH SAID
Claim 2
Dependent Claim
121 words
METHOD OF MEASURING THE CONCENTRATION OF AN ELECTROCHEMICALLY ACTIVE GAS IN A FLUID COMPRISING THE STEPS OF: PROVIDING A BODY OF ELECTROLYTIC MEDIUM FROM WHICH SAID GAS CAN BE ELECTROLYTICALLY GENERATED; DIFFUSING SAID GAS BETWEEN SAID FLUID AND SAID MEDIUM THROUGH BARRIER MEANS SELECTIVELY PERMEABLE TO SAID GAS, AND IMPERMEABLE TO BOTH SAID MEDIUM AND FLUID; IMPRESSING A FIRST POTENTIAL ON A FIRST ELECTROCHEMICALLLY INERT METAL ELECTRODE IMMERSED IN SAID MEDIUM AND A SECOND POTENTIAL ON A SECOND ELECTROCHEMICALLY INERT METAL ELECTRODE IMMERSED IN SAID MEDIUM SO AS TO CAUSE A FLOW CURRENT AT SAID ELECTRODES; POSITIONING SAID ELECTRODES IN SPACED RELATION TO ONE ANOTHER AND TO SAID BARRIER MEANS, AND MAINTAINING SAID POTENTIALS AT MAGNITUDE AND VALUES AT WHICH SAID
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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) | 1969-07-11 | 1970-01-10 | 1970-07-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-07-11 | 1974-01-10 | 1974-07-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-07-11 | 1978-01-10 | 1978-07-12 | $7700.00 | Window Closed / Lapsed |