Patent US3207026A successfully refreshed from Google Patents.
US3207026A
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Apparatus and method for determining the individual and average content of light absorbing fluids
Assignee: Graviner Manufacturing Co Ltd
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Filing: 1961-02-17
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Granted: 1965-09-21
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Expires: 1981-02-17
Abstract
No abstract record available.
Inventors
- 👤 John G Churchill
- 👤 Richard H Lovie
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 20:37
CPC Classifications
G; G01; G01N; G01N21/00; G01N21/17; G01N21/47; G01N21/49; G01N21/53; G01N21/534; F; F01; F01M; F01M11/00; F01M11/10; F16; F16N; F16N29/00; F16N29/04; F16N2250/00; F16N2250/34; G01N1/00; G01N1/02; G01N1/22; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86493; Y10T137/86574; Y10T137/86638; Y10T137/86646; Y10T137/86654
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
206 words
A DEVICE FOR DETERMINING THE INDIVIDUAL AND AVERAGE CONTENT OF LIGHT ABSORBING FLUID IN A PLURALITY OF FLUID SAMPLES, COMPRISING MEANS DEFINING A PAIR OF CHAMBERS, A PHOTO-SENSITIVE DEVICE IN EACH SAID CHAMBER, MEANS FOR DIRECTING LIGHT THROUGH EACH OF SAID CHAMBERS TO FALL ON THE SAID PHOTO-SENSITIVE DEVICE THEREIN, AND A VALVE HAVING FIRST FLOW-DIRECTING MEANS ACTING OVER A PLURALITY OF SINGLE SAMPLE POSITIONS TO DIRECT INTO A FIRST ONE OF SAID CHAMBERS EACH OF SAID PLURALITY OF FLUID SAMPLES IN TURN, AND SECOND FLOW-DIRECTING MEANS ACTING SIMULTANEOUSLY TO DIRECT THE REMAINDER OF SAID PLURALITY OF FLUID SAMPLES INTO THE SECOND OF SAID CHAMBERS, SAID FIRST FLOW-DIRECTING MEANS ACTING IN A CONBINED-SAMPLE POSITION TO DIRECT A NEUTRAL FLUID INTO ONE OF SAID CHAMBERS AND SAID SECOND FLOW-DIRECTING MEANS ACTING SIMULTANEOUSLY TO DIRECT A COMBINATION OF ALL SAID PLURALITY OF FLUID SAMPLES INTO THE OTHER CHAMBER, AND MEANS CONNECTED TO SAID PHOTO-SENSITIVE DEVICES FOR COMPARING THE RESPONSES OF SAID DEVICES TO DETERMINE, IN SAID SINGLE-SAMPLE POSITIONS OF THE VALVE, THE INDIVIDUAL LIGHT-ABSORBING PROPERTY OF EACH SAMPLE IN TURN RELATIVE TO THE LIGHT-ABSORBING PROPERTY OF SAID REREMAINDER OF THE SAMPLES, AND TO DETERMINE IN SAID COMBINED-SAMPLE POSITION OF THE VALVE, THE AVERAGE LIGHTABSORBING PROPERTY OF THE SAMPLES.
Claim 2
Independent Claim
206 words
A DEVICE FOR DETERMINING THE INDIVIDUAL AND AVERAGE CONTENT OF LIGHT ABSORBING FLUID IN A PLURALITY OF FLUID SAMPLES, COMPRISING MEANS DEFINING A PAIR OF CHAMBERS, A PHOTO-SENSITIVE DEVICE IN EACH SAID CHAMBER, MEANS FOR DIRECTING LIGHT THROUGH EACH OF SAID CHAMBERS TO FALL ON THE SAID PHOTO-SENSITIVE DEVICE THEREIN, AND A VALVE HAVING FIRST FLOW-DIRECTING MEANS ACTING OVER A PLURALITY OF SINGLE SAMPLE POSITIONS TO DIRECT INTO A FIRST ONE OF SAID CHAMBERS EACH OF SAID PLURALITY OF FLUID SAMPLES IN TURN, AND SECOND FLOW-DIRECTING MEANS ACTING SIMULTANEOUSLY TO DIRECT THE REMAINDER OF SAID PLURALITY OF FLUID SAMPLES INTO THE SECOND OF SAID CHAMBERS, SAID FIRST FLOW-DIRECTING MEANS ACTING IN A CONBINED-SAMPLE POSITION TO DIRECT A NEUTRAL FLUID INTO ONE OF SAID CHAMBERS AND SAID SECOND FLOW-DIRECTING MEANS ACTING SIMULTANEOUSLY TO DIRECT A COMBINATION OF ALL SAID PLURALITY OF FLUID SAMPLES INTO THE OTHER CHAMBER, AND MEANS CONNECTED TO SAID PHOTO-SENSITIVE DEVICES FOR COMPARING THE RESPONSES OF SAID DEVICES TO DETERMINE, IN SAID SINGLE-SAMPLE POSITIONS OF THE VALVE, THE INDIVIDUAL LIGHT-ABSORBING PROPERTY OF EACH SAMPLE IN TURN RELATIVE TO THE LIGHT-ABSORBING PROPERTY OF SAID REREMAINDER OF THE SAMPLES, AND TO DETERMINE IN SAID COMBINED-SAMPLE POSITION OF THE VALVE, THE AVERAGE LIGHTABSORBING PROPERTY OF THE SAMPLES.
References Cited (Backward Citations)
US1422178A
Cited
US2524303A
Cited
US2510977A
Cited
US2854585A
Cited
US2899858A
Cited
US2976761A
Cited
US2991804A
Cited
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 |