US3268728A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus and method for the determination of fluid volume by radioactive dilution techniques
Assignee: Bayer Corp
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Filing: 1964-03-03
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Granted: 1966-08-23
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Expires: 1984-03-03
Abstract
No abstract record available.
Inventors
- 👤 Hugh F Stoddart
- 👤 James B Williams
- 👤 Hindel Robert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 23:39
CPC Classifications
G; G01; G01N; G01N23/00; A; A61; A61B; A61B5/00; A61B5/02; A61B5/026; A61B5/0275; A61B5/02755; G01F; G01F1/00; G01F1/704; G01F1/7042; G01N2223/00; G01N2223/01; G01N2223/20; G01N2223/202; G01N2223/60; G01N2223/612
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
147 words
APPARATUS FOR DETECTING RADIATION COMPRISING A RADIATION-SHIELDING HOUSING HAVING WALL MEANS DEFINING A PREDETERMINED AREA IN WHCIH A RADIATION SOURCE THEREAT MAY BE VIEWED FROM WITHIN SAID HOUSING, A SAMPLE RECEPTACLE OF GENERALLY TUBULAR SHAPE, MEANS FOR POSITIONING SAID SAMPLE RECEPTACLE WIHTIN SAID HOUSING IN A PREDERTERMINED POSITION WITH A FIXED PREDETERMINED VOLUME IN SAID VIEWING AREA, AND WITH AT LEAST A PORTION OF THE INTERIOR OF SAID RECEPTACLE EXTENDING BEYOND THE MARGIN OF SAID VIEWING AREA AND SHIELDED FROM VIEW FROM WITHIN SAID HOUSING, A RADIOACTIVE SAMPLE IN SAID RECEPTACLE EXPOSED WITHIN SAID VIEWING AREA, SCINTILLATOR MEANS WITHIN SAID HOUSING ADJACENT SAID PORTION OF SAID RECEPTACLE EXPOSED WITHIN SAID VIEWING AREA HAVING A SURFACE SURROUNDING THE PORTION OF SAID RECEPTACLE CONTAINING SAID PREDETERMINED VOLUME EXPOSED WITHIN SAID VIEWING AREA, PHOTOSENSITIVE MEANS POSITIONED TO VIEW SAID SCINTILLATOR MEANS, AND OUTPUT MEANS FOR TRANSMITTING THE SIGNAL OUTPUT PROVIDED
Claim 2
Dependent Claim
147 words
APPARATUS FOR DETECTING RADIATION COMPRISING A RADIATION-SHIELDING HOUSING HAVING WALL MEANS DEFINING A PREDETERMINED AREA IN WHCIH A RADIATION SOURCE THEREAT MAY BE VIEWED FROM WITHIN SAID HOUSING, A SAMPLE RECEPTACLE OF GENERALLY TUBULAR SHAPE, MEANS FOR POSITIONING SAID SAMPLE RECEPTACLE WIHTIN SAID HOUSING IN A PREDERTERMINED POSITION WITH A FIXED PREDETERMINED VOLUME IN SAID VIEWING AREA, AND WITH AT LEAST A PORTION OF THE INTERIOR OF SAID RECEPTACLE EXTENDING BEYOND THE MARGIN OF SAID VIEWING AREA AND SHIELDED FROM VIEW FROM WITHIN SAID HOUSING, A RADIOACTIVE SAMPLE IN SAID RECEPTACLE EXPOSED WITHIN SAID VIEWING AREA, SCINTILLATOR MEANS WITHIN SAID HOUSING ADJACENT SAID PORTION OF SAID RECEPTACLE EXPOSED WITHIN SAID VIEWING AREA HAVING A SURFACE SURROUNDING THE PORTION OF SAID RECEPTACLE CONTAINING SAID PREDETERMINED VOLUME EXPOSED WITHIN SAID VIEWING AREA, PHOTOSENSITIVE MEANS POSITIONED TO VIEW SAID SCINTILLATOR MEANS, AND OUTPUT MEANS FOR TRANSMITTING THE SIGNAL OUTPUT PROVIDED
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-08-22 | 1970-02-21 | 1970-08-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-22 | 1974-02-21 | 1974-08-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-22 | 1978-02-21 | 1978-08-23 | $7700.00 | Window Closed / Lapsed |