Patent US3639409A successfully refreshed from Google Patents.
Patent US3097520A successfully refreshed from Google Patents.
US3097520A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reducing thermal upsets in fluid measuring cells
Assignee: —
•
Filing: —
•
Granted: 1963-07-16
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Expires: 1980-07-16
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 17:52
CPC Classifications
G; G01; G01N; G01N27/00; G01N27/02; G01N27/04; G01N27/14; G01N27/16; G01N27/18; G01N27/185; G01N30/00; G01N30/02; G01N30/62; G01N30/64; G01N30/66
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
107 words
IN THE METHOD OF MEASURING THE CONCENTRATION OF THE LOW CONCENTRATION COMPONENTS OF A FLUID MIXTURE BY SEPARATING SAID FLUID MIXTURE INTO SUBBSTANTIAL ALL ITS COMPONENTS BY MEANS OF A CHROMATOGRAPHIC ANALYZER AND SUCCESSIVELY PASSING ALL OF SAID SEPARATED COMPONETS THROUGH A MEASURING DEVICE, SAID MEASURING DEVICE COMPRISING A MEASURING CELL ADAPTED TO RECEIVE SAID SEPARATED COMPONENTS AND AN ELECTRICALLY ENERGIZED, CURRENT CARRYING TEMPERATURE SENSITIVE TRANSDUCER WITHIN SAID MEASURING CELL, SAID TRANSDUCER COUPLED TO AN ELECTRICAL DETECTING MEANS, SAID MEASURING DEVICE OPERABLE AT A REFERENCE TEMPERATURE AND WITHIN A LIMITED VARIATION OF SAID REFERENCE TEMPERTURE AND CAPABLE SATISFACTORIAL MEASURING THE CONCENTRATION OF SEPARATED COMPONENTS WHICH PRODUCE TEM-
Claim 2
Dependent Claim
107 words
IN THE METHOD OF MEASURING THE CONCENTRATION OF THE LOW CONCENTRATION COMPONENTS OF A FLUID MIXTURE BY SEPARATING SAID FLUID MIXTURE INTO SUBBSTANTIAL ALL ITS COMPONENTS BY MEANS OF A CHROMATOGRAPHIC ANALYZER AND SUCCESSIVELY PASSING ALL OF SAID SEPARATED COMPONETS THROUGH A MEASURING DEVICE, SAID MEASURING DEVICE COMPRISING A MEASURING CELL ADAPTED TO RECEIVE SAID SEPARATED COMPONENTS AND AN ELECTRICALLY ENERGIZED, CURRENT CARRYING TEMPERATURE SENSITIVE TRANSDUCER WITHIN SAID MEASURING CELL, SAID TRANSDUCER COUPLED TO AN ELECTRICAL DETECTING MEANS, SAID MEASURING DEVICE OPERABLE AT A REFERENCE TEMPERATURE AND WITHIN A LIMITED VARIATION OF SAID REFERENCE TEMPERTURE AND CAPABLE SATISFACTORIAL MEASURING THE CONCENTRATION OF SEPARATED COMPONENTS WHICH PRODUCE TEM-
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) | 1966-07-15 | 1967-01-14 | 1967-07-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-15 | 1971-01-14 | 1971-07-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-15 | 1975-01-14 | 1975-07-16 | $7700.00 | Window Closed / Lapsed |