Patent US2822475A successfully refreshed from Google Patents.
US2822475A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Analyzer
Assignee: Phillips Petroleum Co
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Filing: 1955-03-04
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Granted: 1958-02-04
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Expires: 1975-03-04
Abstract
No abstract record available.
Inventors
- 👤 Elmer C Miller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 19:08
CPC Classifications
G; G01; G01N; G01N21/00; G01N21/17; G01N21/25; G01N21/31; G01N21/33; G01N21/27; G01N21/274
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
223 words
IN AN ANALYZER, IN COMBINATION, A RADIATION SOURCE, A RADIATION DETECTOR ADAPTED TO RECEIVE RADIATION FROM SAID SOURCE, A SAMPLE CELL AND A STANDARD CELL BOTH INTERPOSED IN THE PATH OF RADIATION PASSING FROM SAID SOURCE TO SAID DETECTOR, AN INDICATING CIRCUIT CONNECTED TO SAID DETECTOR TO PRODUCE AN OUTPUT REPRESENTATIVE OF THE INTENSITY OF RADIATION INCIDENT THEREON, A STANDARDIZATION CIRCUIT CONNECTED TO SAID INDICATING CIRCUIT TO VARY A PARAMETER THEREOF, A SOURCE (A) OF STANDARD FLUID, A SOURCE (B) OF SAMPLE FLUID, AND A SOURCE (C) OF FLUID SUBSTANTIALLY TRANSPARENT TO SAID RADIATION, A FIRST THREE-WAY VALVE SELECTIVELY CONNECTING SAID STANDARD CELL TO SOURCE (A) AND SOURCE (C), A SAMPLE LINE, A BYPASS LINE, A THREEWAY VALVE SELECTIVELY CONNECTING SOURCE (B) TO SAID SAMPLE LINE AND SAID BYPASS LINE, A THREE-WAY VALVE SELECTIVELY CONNECTING SAID SAMPLE CELL TO SAID SAMPLE LINE AND SOURCE (C), AND A TIMER OPERATIVELY CONNECTED TO SAID VALVES AND SAID CIRCUITS, SAID TIMER BEING CONSTRUCTED AND ARRANGED TO ALTERNATELY (1) ENERGIZE SAID INDICATING CIRCUIT, PASS SAMPLE FLUID FROM SOURCE (B) TO SAID SAMPLE CELL, AND PASS TRANSPARENT FLUID FROM SOURCE (C) TO SAID STANDARD CELL AND (2) ENERGIZE SAID STANDARIDIZATION CIRCUIT, BYPASS THE SAMPLE FROM SOURCE (B), PASS STANDARD FLUID FROM SOURCE (A) TO THE STANDARD CELL, AND PASS TRANSPARENT FLUID FROM SOURCE (C) THROUGH THE SAMPLE CELL.
Claim 2
Dependent Claim
223 words
IN AN ANALYZER, IN COMBINATION, A RADIATION SOURCE, A RADIATION DETECTOR ADAPTED TO RECEIVE RADIATION FROM SAID SOURCE, A SAMPLE CELL AND A STANDARD CELL BOTH INTERPOSED IN THE PATH OF RADIATION PASSING FROM SAID SOURCE TO SAID DETECTOR, AN INDICATING CIRCUIT CONNECTED TO SAID DETECTOR TO PRODUCE AN OUTPUT REPRESENTATIVE OF THE INTENSITY OF RADIATION INCIDENT THEREON, A STANDARDIZATION CIRCUIT CONNECTED TO SAID INDICATING CIRCUIT TO VARY A PARAMETER THEREOF, A SOURCE (A) OF STANDARD FLUID, A SOURCE (B) OF SAMPLE FLUID, AND A SOURCE (C) OF FLUID SUBSTANTIALLY TRANSPARENT TO SAID RADIATION, A FIRST THREE-WAY VALVE SELECTIVELY CONNECTING SAID STANDARD CELL TO SOURCE (A) AND SOURCE (C), A SAMPLE LINE, A BYPASS LINE, A THREEWAY VALVE SELECTIVELY CONNECTING SOURCE (B) TO SAID SAMPLE LINE AND SAID BYPASS LINE, A THREE-WAY VALVE SELECTIVELY CONNECTING SAID SAMPLE CELL TO SAID SAMPLE LINE AND SOURCE (C), AND A TIMER OPERATIVELY CONNECTED TO SAID VALVES AND SAID CIRCUITS, SAID TIMER BEING CONSTRUCTED AND ARRANGED TO ALTERNATELY (1) ENERGIZE SAID INDICATING CIRCUIT, PASS SAMPLE FLUID FROM SOURCE (B) TO SAID SAMPLE CELL, AND PASS TRANSPARENT FLUID FROM SOURCE (C) TO SAID STANDARD CELL AND (2) ENERGIZE SAID STANDARIDIZATION CIRCUIT, BYPASS THE SAMPLE FROM SOURCE (B), PASS STANDARD FLUID FROM SOURCE (A) TO THE STANDARD CELL, AND PASS TRANSPARENT FLUID FROM SOURCE (C) THROUGH THE SAMPLE CELL.
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) | 1961-02-03 | 1961-08-05 | 1962-02-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-02-03 | 1965-08-05 | 1966-02-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-02-03 | 1969-08-05 | 1970-02-04 | $7700.00 | Window Closed / Lapsed |