Patent US3207977A successfully refreshed from Google Patents.
US3207977A
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Potentiometric model energized by square wave input means
Assignee: Pure Oil Co
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Filing: 1961-08-08
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Granted: 1965-09-21
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Expires: 1981-08-08
Abstract
No abstract record available.
Inventors
- 👤 Lynn E Ellison
- 👤 Walter Frank
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 22:01
CPC Classifications
G; G06; G06G; G06G7/00; G06G7/12; G06G7/32; G06G7/38; G06G7/40; G06G7/42
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
68 words
IN A POTENTIOMETRIC MODEL COMPRISING A NON-CONDUCTIVE VESSEL ADAPTED TO CORRESPOND TO THE CONTOURS OF A RESERVOIR, A BODY OF ELECTROLYTE, DISPOSED IN SAID VESSEL, A PLURALITY OF ELECTRODES SUSPENDED IN SAID ELECTROLYTE, AND A SENSING ELECTRODE MOVABLY SUPPORTED TO SENSE POTENTIAL IN SAID ELECTROLYTE AND MEANS TO MEASURE THE SENSED POTENTIAL, THE COMBINATION OF MEANS FOR IMPRESSING A SUBSTANTIALLY SQUARE-WAVE POTENTIAL ACROSS THE ELECTRODES OF SAID PLURALITY.
Claim 2
Dependent Claim
68 words
IN A POTENTIOMETRIC MODEL COMPRISING A NON-CONDUCTIVE VESSEL ADAPTED TO CORRESPOND TO THE CONTOURS OF A RESERVOIR, A BODY OF ELECTROLYTE, DISPOSED IN SAID VESSEL, A PLURALITY OF ELECTRODES SUSPENDED IN SAID ELECTROLYTE, AND A SENSING ELECTRODE MOVABLY SUPPORTED TO SENSE POTENTIAL IN SAID ELECTROLYTE AND MEANS TO MEASURE THE SENSED POTENTIAL, THE COMBINATION OF MEANS FOR IMPRESSING A SUBSTANTIALLY SQUARE-WAVE POTENTIAL ACROSS THE ELECTRODES OF SAID PLURALITY.
References Cited (Backward Citations)
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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) | 1968-09-20 | 1969-03-22 | 1969-09-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-20 | 1973-03-22 | 1973-09-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-20 | 1977-03-22 | 1977-09-21 | $7700.00 | Window Closed / Lapsed |