Patent US3303342A successfully refreshed from Google Patents.
US3303342A
Expired / Lapsed
US
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Calcium iodide phosphors
Assignee: Harshaw Chemical Co
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Filing: 1963-10-16
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Granted: 1967-02-07
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Expires: 1983-10-16
Abstract
No abstract record available.
Inventors
- 👤 O'dell Earl Wayne
- 👤 Gunther H Dierssen
- 👤 Hofstadter Robert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 16:25
CPC Classifications
G; G01; G01T; G01T1/00; G01T1/16; G01T1/20; G01T1/202; C; C09; C09K; C09K11/00; C09K11/08; C09K11/61; C09K11/615; C09K11/616
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
35 words
IN COMBINATION, A SEALED CONTAINER PROVIDING A SUBSTANTIALLY ANHYDROUS ZONE AND A SCINTILLATOR IN SAIS ZONE, SAID SCINTILLATOR COMPRISING A TRANSPARENT OPTICALLY INTEGRAL CRYSTALLINE MATERIAL CONSISTING OF SUBSTANTIALLY PURE CALCIUM IODIDE FREE FROM ADDED ACTIVATORS.
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) | 1970-02-06 | 1970-08-08 | 1971-02-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-06 | 1974-08-08 | 1975-02-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-06 | 1978-08-08 | 1979-02-07 | $7700.00 | Window Closed / Lapsed |