Patent US3202819A successfully refreshed from Google Patents.
US3202819A
Expired / Lapsed
US
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Beta and gamma measuring apparatus for fluids
Assignee: Individual
•
Filing: 1963-05-08
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Granted: 1965-08-24
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Expires: 1983-05-08
Abstract
No abstract record available.
Inventors
- 👤 Christianson Charles
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 21:58
CPC Classifications
G; G01; G01T; G01T7/00; G01T7/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
99 words
SAMPLER APPARATUS FOR USE IN DETECTING BETA AND GAMMA RADIATION IN A FLUID COMPRISING: (A) A HOUSING CONFINING A CHAMBER AND INCLUDING AS PART OF THE HOUSING WALL A WINDOW TRANSPARENT TO BETA RADIATION AND A HOUSING WALL PORTION OPAQUE TO BETA RADIATION AND ENERGY IN THE VISIBLE SPECTRUM REMOTE FROM THE WINDOW, (B) A GAMMA RESPONSIVE PHOSPHOR SECURED TO THE EXTERIOR OF THE HOUSING WALL PORTION OPAQUE TO BETA RADIATION AND ENERGY IN THE VISIBLE SPECTRUM, AND (C) MEANS ON SAID HOUSING AND IN COMMUNICATION WITH THE CHAMBER FOR USE IN FILLING THE CHAMBER WITH A FLUID SAMPLE.
Claim 2
Dependent Claim
99 words
SAMPLER APPARATUS FOR USE IN DETECTING BETA AND GAMMA RADIATION IN A FLUID COMPRISING: (A) A HOUSING CONFINING A CHAMBER AND INCLUDING AS PART OF THE HOUSING WALL A WINDOW TRANSPARENT TO BETA RADIATION AND A HOUSING WALL PORTION OPAQUE TO BETA RADIATION AND ENERGY IN THE VISIBLE SPECTRUM REMOTE FROM THE WINDOW, (B) A GAMMA RESPONSIVE PHOSPHOR SECURED TO THE EXTERIOR OF THE HOUSING WALL PORTION OPAQUE TO BETA RADIATION AND ENERGY IN THE VISIBLE SPECTRUM, AND (C) MEANS ON SAID HOUSING AND IN COMMUNICATION WITH THE CHAMBER FOR USE IN FILLING THE CHAMBER WITH A FLUID SAMPLE.
References Cited (Backward Citations)
US2841715A
Cited
US2978587A
Cited
US2855520A
Cited
US2892086A
Cited
US2979620A
Cited
US3076093A
Cited
US3114834A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-08-23 | 1969-02-22 | 1969-08-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-23 | 1973-02-22 | 1973-08-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-23 | 1977-02-22 | 1977-08-24 | $7700.00 | Window Closed / Lapsed |