US2643223A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for electrolytic analysis
Assignee: American Brake Shoe Co
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Filing: 1951-02-07
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Granted: 1953-06-23
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Expires: 1971-02-07
Abstract
No abstract record available.
Inventors
- 👤 Robert W Notvest
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 16:12
CPC Classifications
G; G01; G01N; G01N27/00; G01N27/26; G01N27/416; G01N27/42; G01N27/426
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
146 words
IN AN ELECTROLYTIC APPARATUS FOR QUANTITATIVE DETERMINATION OF SOLUTIONS, AND ELECTRODE UNIT COMPRISING, A SUBSTANTIALLY CYLINDRICAL PLATINUM GAUZE ELECTRODE ADAPTED TO BE IMMERSED IN THE SOLUTION, THE BOTTOM OF THE SAID GAUZE ELECTRODE BEING CLOSED BY A CONVEXLY ROUNDED AND IMPERFORATE CLOSURE MEMBER PROVIDED AT ITS BOTTOM CENTER WITH A PASSAGE EXTENDING THERETHROUGH TO OPEN INTO THE INTERIOR OF SAID CYLINDRICAL ELECTRODE, AND A HOLLOW TUBULAR CURRENT-CONDUCTING ELEMENT EXTENDING LONGITUDINALLY OF AND SUBSTANTIALLY CENTRALLY IN THE SAID GAUZE ELECTRODE, ONE END PORTION OF THE TUBULAR ELEMENT BEING ADAPTED TO TBE CONNECTED TO A SOURCE OF CO2 GAS, THE OTHERE END PORTION OF THE TUBULAR ELEMENT BEING SEALABLY POSITIONED IN THE SAID PASSAGE WHEREBY CO2 GAS CONDUCTED THROUGH SAID TUBULAR ELEMENT WILL BUBBLE UPWARDLY ALONG THE OUTER SIDES OF THE CLOSURE MEMBER TO CLEAN ADHERENT OXIDIZING GASES FROM THE OUTER SIDES OF THE GAUZE ELECTRODE DURING ELECTROLYSIS.
Claim 2
Dependent Claim
146 words
IN AN ELECTROLYTIC APPARATUS FOR QUANTITATIVE DETERMINATION OF SOLUTIONS, AND ELECTRODE UNIT COMPRISING, A SUBSTANTIALLY CYLINDRICAL PLATINUM GAUZE ELECTRODE ADAPTED TO BE IMMERSED IN THE SOLUTION, THE BOTTOM OF THE SAID GAUZE ELECTRODE BEING CLOSED BY A CONVEXLY ROUNDED AND IMPERFORATE CLOSURE MEMBER PROVIDED AT ITS BOTTOM CENTER WITH A PASSAGE EXTENDING THERETHROUGH TO OPEN INTO THE INTERIOR OF SAID CYLINDRICAL ELECTRODE, AND A HOLLOW TUBULAR CURRENT-CONDUCTING ELEMENT EXTENDING LONGITUDINALLY OF AND SUBSTANTIALLY CENTRALLY IN THE SAID GAUZE ELECTRODE, ONE END PORTION OF THE TUBULAR ELEMENT BEING ADAPTED TO TBE CONNECTED TO A SOURCE OF CO2 GAS, THE OTHERE END PORTION OF THE TUBULAR ELEMENT BEING SEALABLY POSITIONED IN THE SAID PASSAGE WHEREBY CO2 GAS CONDUCTED THROUGH SAID TUBULAR ELEMENT WILL BUBBLE UPWARDLY ALONG THE OUTER SIDES OF THE CLOSURE MEMBER TO CLEAN ADHERENT OXIDIZING GASES FROM THE OUTER SIDES OF THE GAUZE ELECTRODE DURING ELECTROLYSIS.
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) | 1956-06-22 | 1956-12-22 | 1957-06-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-06-22 | 1960-12-22 | 1961-06-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-06-22 | 1964-12-22 | 1965-06-23 | $7700.00 | Window Closed / Lapsed |