US3296448A
Expired / Lapsed
US
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Scintillation detector comprising a transparent tin-activated calcium iodide scintillator
Assignee: Harshaw Chemical Co
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Filing: 1964-01-21
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Granted: 1967-01-03
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Expires: 1984-01-21
Abstract
No abstract record available.
Inventors
- 👤 Carl F Swinehart
- 👤 Hofstadter Robert
- 👤 Earl W O'dell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:09
CPC Classifications
C; C09; C09K; C09K11/00; C09K11/08; C09K11/66; C09K11/664; C09K11/665; G; G01; G01T; G01T1/00; G01T1/16; G01T1/20; G01T1/202
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
68 words
A SCINTILLATOR COMPRISING A TRANSPARENT OPTICALLY INTEGRAL CRYSTALLINE MATERIAL CONSISTING OF TIN-ACTIVATED CALCIUM IODIDE, SAID MATERIAL BEING CHARACTERIZED BY HAVING AN EMISSION PEAK AT ABOUT 5300+60 ANGSTROMS AND AN EMISSION BAND WITHIN THE RANGE OF FROM ABOUT 3500 TO ABOUT 6000 ANGSTROMS, SAID TIN BEING PRESENT IN AMOUNTS RANGING FROM ABOUT 10 PARTS PER MILLION TO ABOUT 400 PARTS PER MILLION BASED ON THE WEIGHT OF SAID MATERIAL.
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) | 1970-01-02 | 1970-07-04 | 1971-01-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-02 | 1974-07-04 | 1975-01-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-02 | 1978-07-04 | 1979-01-03 | $7700.00 | Window Closed / Lapsed |