Patent US2985758A successfully refreshed from Google Patents.
US2985758A
Expired / Lapsed
US
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Apparatus for continuous measurement of radioactivity of liquids
Assignee: Frieseke and Hoepfner GmbH
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Filing: 1957-10-14
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Granted: 1961-05-23
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Expires: 1977-10-14
Abstract
No abstract record available.
Inventors
- 👤 Bosch Julius
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 07:27
CPC Classifications
G; G01; G01T; G01T7/00; G01T7/02; G01T7/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
138 words
APPARATUS FOR CONTINUOUSLY MEASURING THE RADIOACTIVE CONTENT OF A LIQUID, COMPRISING FLUID PROPELLING MEANS FOR CREATING A STEADILY MOVING STREAM OF AIR, FILTER MEANS FOR PURIFYING THE STREAM OF AIR TO RENDER IT FREE FROM RADIOACTIVE CARRIERS, HEATER MEANS FOR HEATING THE PURIFIED STREAM OF AIR TO A TEMPERATURE ABOVE THE VAPORIZATION TEMPERATURE OF THE LIQIUD, MEANS FOR CONTINUOUSLY INTRODUCING SAMPLES OF THE LIQUID IN THE FORM OF A SPRAY INTO THE HEATED AND PURIFIED AIR STEAM WHEREBY SAID LIQUID SAMPLES ARE VAPORIZED, A CONTINUOUSLY MOVING FILTER INTERPOSED IN THE PATH OF THE RESULTING VAPOR STREAM FOR DEPOSITING THEREON RADIO-ACTIVE CARRIES CONTAINED IN THE LIQUID SAMPLES, AND RADIATION DETECTION MEANS DISPOSED OUTSIDE SAID VAPOR STREAM AND ADJACENT TO SAID CONTINUOUSLY MOVING FILTER DOWN-STREAM WITH RESPECT TO THE DEPOSITING POINT FOR MEASURING THE RADIOACTIVE CONTENT OF THE DEPOSITED CARRIERS.
Claim 2
Dependent Claim
138 words
APPARATUS FOR CONTINUOUSLY MEASURING THE RADIOACTIVE CONTENT OF A LIQUID, COMPRISING FLUID PROPELLING MEANS FOR CREATING A STEADILY MOVING STREAM OF AIR, FILTER MEANS FOR PURIFYING THE STREAM OF AIR TO RENDER IT FREE FROM RADIOACTIVE CARRIERS, HEATER MEANS FOR HEATING THE PURIFIED STREAM OF AIR TO A TEMPERATURE ABOVE THE VAPORIZATION TEMPERATURE OF THE LIQIUD, MEANS FOR CONTINUOUSLY INTRODUCING SAMPLES OF THE LIQUID IN THE FORM OF A SPRAY INTO THE HEATED AND PURIFIED AIR STEAM WHEREBY SAID LIQUID SAMPLES ARE VAPORIZED, A CONTINUOUSLY MOVING FILTER INTERPOSED IN THE PATH OF THE RESULTING VAPOR STREAM FOR DEPOSITING THEREON RADIO-ACTIVE CARRIES CONTAINED IN THE LIQUID SAMPLES, AND RADIATION DETECTION MEANS DISPOSED OUTSIDE SAID VAPOR STREAM AND ADJACENT TO SAID CONTINUOUSLY MOVING FILTER DOWN-STREAM WITH RESPECT TO THE DEPOSITING POINT FOR MEASURING THE RADIOACTIVE CONTENT OF THE DEPOSITED CARRIERS.
References Cited (Backward Citations)
US2576616A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-05-22 | 1964-11-21 | 1965-05-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-22 | 1968-11-21 | 1969-05-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-22 | 1972-11-21 | 1973-05-23 | $7700.00 | Window Closed / Lapsed |