Patent US2962432A successfully refreshed from Google Patents.
US2962432A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polarographic apparatus
Assignee: ExxonMobil Technology and Engineering Co
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Filing: 1957-06-14
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Granted: 1960-11-29
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Expires: 1977-06-14
Abstract
No abstract record available.
Inventors
- 👤 Carl P Tyler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 11:57
CPC Classifications
G; G01; G01N; G01N27/00; G01N27/26; G01N27/403; G01N27/404
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
145 words
A POLAROGRAPHIC APPARATUS COMPRISING: A VESSEL PARTIALLY FILLED WITH MERCURY AND HAVING A FLUID FLOW OUTLET, A SIDE ARM CONNECTED TO THE VESSEL, FLEXIBLE TUBING ATTACHED TO THE SIDE ARM, THE TUBING, SIDE ARM, VESSEL AND ITS FLUID FLOW OUTLET SERVING AS A CONTINUOUS FLUID FLOW PATH, A CAPILLARY TUBE CONNECTED TO THE SIDE ARM THE AXIS OF THE CAPILLARY TUBE FORMING AN ANGLE OF APPROXIMATELY A RIGHT ANGLE WITH THE AXIS OF THE SIDE ARM, A MERCURY RESERVOIR CONNECTED TO THE CAPILLARY TUBE SO THAT DROPS OF MERCURY FLOW THROUGH THE CAPILLARY TUBE, THE SIDE ARM AND INTO THE VESSEL, A CONDUCTIVE LEAD EXTENDING INTO THE MERCURY CONTAINED IN THE VESSEL, A CONDUCTIVE LEAD EXTENDING INTO THE MERCURY IN THE RESERVOIR, AND AN ELECTRICAL CIRCUIT CONNECTED TO THE LEADS, INCLUDING AN ADJUSTABLE ELECTROMOTIVE FORCE AND MEANS FOR MEASURING THE CURRENT FLOW THROUGH THE FLUID.
Claim 2
Dependent Claim
145 words
A POLAROGRAPHIC APPARATUS COMPRISING: A VESSEL PARTIALLY FILLED WITH MERCURY AND HAVING A FLUID FLOW OUTLET, A SIDE ARM CONNECTED TO THE VESSEL, FLEXIBLE TUBING ATTACHED TO THE SIDE ARM, THE TUBING, SIDE ARM, VESSEL AND ITS FLUID FLOW OUTLET SERVING AS A CONTINUOUS FLUID FLOW PATH, A CAPILLARY TUBE CONNECTED TO THE SIDE ARM THE AXIS OF THE CAPILLARY TUBE FORMING AN ANGLE OF APPROXIMATELY A RIGHT ANGLE WITH THE AXIS OF THE SIDE ARM, A MERCURY RESERVOIR CONNECTED TO THE CAPILLARY TUBE SO THAT DROPS OF MERCURY FLOW THROUGH THE CAPILLARY TUBE, THE SIDE ARM AND INTO THE VESSEL, A CONDUCTIVE LEAD EXTENDING INTO THE MERCURY CONTAINED IN THE VESSEL, A CONDUCTIVE LEAD EXTENDING INTO THE MERCURY IN THE RESERVOIR, AND AN ELECTRICAL CIRCUIT CONNECTED TO THE LEADS, INCLUDING AN ADJUSTABLE ELECTROMOTIVE FORCE AND MEANS FOR MEASURING THE CURRENT FLOW THROUGH THE FLUID.
References Cited (Backward Citations)
US2500284A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-11-29 | 1964-05-30 | 1964-11-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-11-29 | 1968-05-30 | 1968-11-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-11-29 | 1972-05-30 | 1972-11-29 | $7700.00 | Window Closed / Lapsed |