US2715684A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Radiation detection instrument
Assignee: Individual
•
Filing: 1954-09-02
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Granted: 1955-08-16
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Expires: 1974-09-02
Abstract
No abstract record available.
Inventors
- 👤 Erich G K Schwarz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 06:51
CPC Classifications
G; G01; G01T; G01T1/00; G01T1/16; G01T1/20; G01T1/2004
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
146 words
AN INSTRUMENT FOR DETERMINING GAMMA RADIATION DOSAGE RATE COMPRISING A HOUSING CONSISTING OF MINERAL HAVING A HIGH ATOMIC NUMBER, A WINDOW WHICH ABSORBS BETA RADIATION BUT IS TRANSPARENT TO GAMMA RADIATION AT ONE END THEREOF, A PLURALITY OF CRYSTALS ARRANGED IN SERIATIM THEREIN WHICH FLUORESCE UPON BEING SUBJECTED TO GAMMA RADIATION, A PLURALITY OF DISCRETE GAMMA RADIATION ABSORBERS BETWEEN ADJACENT CRYSTALS, SAID ABSORBERS BEING OF PROGRESSIVELY, INCREASING GAMMA RADIATION ADSORPTION CAPACITY WHEREBY A CORRESPONDINGLY GREATER PREDETERMINED GAMMA RADIATION ENERGY IS REQUIRED TO CAUSE EACH SUCCEEDING CRYSTALS TO FLUORESCE, DISCRETE LIGHT COMPARISON MEANS CORRESPONDING TO PREDETERMINED GAMMA RADIATION DOSAGES ASSOCIATED WITH EACH OF SAID CRYSTALS, MEANS FOR SHIELDING SAID LIGHT COMPARISON MEANS FROM SAID GAMMA RADIATION, AND DISCRETE TRANSPARENT PORTIONS IN SAID HOUSING THROUGH WHICH THE COMPARISON OF THE FLUORESCENCE OF EACH OF SAID CRYSTALS AND THE LUMINESCENT OF ITS ASSOCIATED LIGHT COMPARISON MEANS, AMY BE OBSERVED.
Claim 2
Dependent Claim
146 words
AN INSTRUMENT FOR DETERMINING GAMMA RADIATION DOSAGE RATE COMPRISING A HOUSING CONSISTING OF MINERAL HAVING A HIGH ATOMIC NUMBER, A WINDOW WHICH ABSORBS BETA RADIATION BUT IS TRANSPARENT TO GAMMA RADIATION AT ONE END THEREOF, A PLURALITY OF CRYSTALS ARRANGED IN SERIATIM THEREIN WHICH FLUORESCE UPON BEING SUBJECTED TO GAMMA RADIATION, A PLURALITY OF DISCRETE GAMMA RADIATION ABSORBERS BETWEEN ADJACENT CRYSTALS, SAID ABSORBERS BEING OF PROGRESSIVELY, INCREASING GAMMA RADIATION ADSORPTION CAPACITY WHEREBY A CORRESPONDINGLY GREATER PREDETERMINED GAMMA RADIATION ENERGY IS REQUIRED TO CAUSE EACH SUCCEEDING CRYSTALS TO FLUORESCE, DISCRETE LIGHT COMPARISON MEANS CORRESPONDING TO PREDETERMINED GAMMA RADIATION DOSAGES ASSOCIATED WITH EACH OF SAID CRYSTALS, MEANS FOR SHIELDING SAID LIGHT COMPARISON MEANS FROM SAID GAMMA RADIATION, AND DISCRETE TRANSPARENT PORTIONS IN SAID HOUSING THROUGH WHICH THE COMPARISON OF THE FLUORESCENCE OF EACH OF SAID CRYSTALS AND THE LUMINESCENT OF ITS ASSOCIATED LIGHT COMPARISON MEANS, AMY BE OBSERVED.
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) | 1958-08-15 | 1959-02-14 | 1959-08-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-08-15 | 1963-02-14 | 1963-08-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-08-15 | 1967-02-14 | 1967-08-16 | $7700.00 | Window Closed / Lapsed |