US2538632A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combination beta and gamma chamber
Assignee: Individual
•
Filing: 1948-01-21
•
Granted: 1951-01-16
•
Expires: 1968-01-21
Abstract
No abstract record available.
Inventors
- 👤 Edward R Tompkins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 19:29
CPC Classifications
G; G01; G01T; G01T7/00; G01T7/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
84 words
A MONITORING DEVICE FOR MEASURING RADIOACTIVITY OF FLUIDS COMPRISING A HOUSING, A TUBULAR ELEMENT PASSING THROUGH THE HOUSING TO PROVIDE A PASSAGE FOR THE CONTINUOUS FLOW OF FLUIDS, SAID ELEMENT BEING TRANSPARENT THROUGHOUT TO THE PASSAGE OF GAMMA RADIATION WHILE RETARDING BETA RADIATION, SAID ELEMENT ALSO HAVING ONLY AN INTERMEDIATE PORTION TRANSPARENT TO BETA RADIATION, AND MEANS SELECTIVELY RESPONSIVE TO THE GAMMA ANS THE BETA RADIATION FROM THE FLUIDS FOR PROVIDING A MEASURE OF THE INTENSITY THEREOF, SAID MEANS INCLUDING CHAMBERS WITHIN THE HOUSING.
Claim 2
Dependent Claim
84 words
A MONITORING DEVICE FOR MEASURING RADIOACTIVITY OF FLUIDS COMPRISING A HOUSING, A TUBULAR ELEMENT PASSING THROUGH THE HOUSING TO PROVIDE A PASSAGE FOR THE CONTINUOUS FLOW OF FLUIDS, SAID ELEMENT BEING TRANSPARENT THROUGHOUT TO THE PASSAGE OF GAMMA RADIATION WHILE RETARDING BETA RADIATION, SAID ELEMENT ALSO HAVING ONLY AN INTERMEDIATE PORTION TRANSPARENT TO BETA RADIATION, AND MEANS SELECTIVELY RESPONSIVE TO THE GAMMA ANS THE BETA RADIATION FROM THE FLUIDS FOR PROVIDING A MEASURE OF THE INTENSITY THEREOF, SAID MEANS INCLUDING CHAMBERS WITHIN THE HOUSING.
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) | 1954-01-15 | 1954-07-17 | 1955-01-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-01-15 | 1958-07-17 | 1959-01-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-01-15 | 1962-07-17 | 1963-01-16 | $7700.00 | Window Closed / Lapsed |