Patent US2928774A successfully refreshed from Google Patents.
US2928774A
Expired / Lapsed
US
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Automatic titration system
Assignee: Standard Oil Co
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Filing: 1953-08-31
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Granted: 1960-03-15
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Expires: 1973-08-31
Abstract
No abstract record available.
Inventors
- 👤 Frank A Leisey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 20:50
CPC Classifications
G; G01; G01N; G01N27/00; G01N27/26; G01N27/416; G01N27/42; G01N27/44
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
119 words
IN QUANTITATIVE ANALYSIS BY TIRATION INVOLVING THE QUANTATIVE REACTION IN AN ELECTROLYTE OF A TIRATING AGENT WITH A CONSTITUENT TO BE MEASURED, THE IMPROVEMENT WHICH COMPRISES REGULATING THE AMOUNT OF TIRATING AGENT PRESENT IN THE ELECTROLYTE BY ELECTROLYTICALLY GENERATING THE AGENT IN SITU, ESTABLISHING A REFERENCE POING OF GENERATED TIRATING AGENT, INTRODUCING THE SAMPLE CONTAINING THE CONSITUTENT TO BE MEASURED, CONROLLING THE CURRENT EMPLOYED IN THE ELETROLYSIS SO AS TO EFFECT THE GENERATION OF THE AGENT AT A CONSTANT RATE, SENSING THE PRESENCE OF TIRATING AGENT IN A CONCENTRATION CORRESPONDING TO AT LEAST THE INTIALLY ESTABLISHED REFERENCE POINT AS AN INDICATION OF THE COMPLETION OF THE TIRATION OF SAID CONSTITUENT, AND DETERMINING THE TIME NECESSARY TO COMPLETE SUCH TIRATION.
Claim 2
Dependent Claim
119 words
IN QUANTITATIVE ANALYSIS BY TIRATION INVOLVING THE QUANTATIVE REACTION IN AN ELECTROLYTE OF A TIRATING AGENT WITH A CONSTITUENT TO BE MEASURED, THE IMPROVEMENT WHICH COMPRISES REGULATING THE AMOUNT OF TIRATING AGENT PRESENT IN THE ELECTROLYTE BY ELECTROLYTICALLY GENERATING THE AGENT IN SITU, ESTABLISHING A REFERENCE POING OF GENERATED TIRATING AGENT, INTRODUCING THE SAMPLE CONTAINING THE CONSITUTENT TO BE MEASURED, CONROLLING THE CURRENT EMPLOYED IN THE ELETROLYSIS SO AS TO EFFECT THE GENERATION OF THE AGENT AT A CONSTANT RATE, SENSING THE PRESENCE OF TIRATING AGENT IN A CONCENTRATION CORRESPONDING TO AT LEAST THE INTIALLY ESTABLISHED REFERENCE POINT AS AN INDICATION OF THE COMPLETION OF THE TIRATION OF SAID CONSTITUENT, AND DETERMINING THE TIME NECESSARY TO COMPLETE SUCH TIRATION.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-03-15 | 1963-09-14 | 1964-03-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-03-15 | 1967-09-14 | 1968-03-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-03-15 | 1971-09-14 | 1972-03-15 | $7700.00 | Window Closed / Lapsed |