US2651584A
Expired / Lapsed
US
⏱️ 0.0 years remaining
X-ray fluorescent screen
Assignee: Westinghouse Electric Corp
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Filing: 1948-09-25
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Granted: 1953-09-08
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Expires: 1968-09-25
Abstract
No abstract record available.
Inventors
- 👤 Richard L Longini
- 👤 Walter J Hushley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 12:45
CPC Classifications
G; G11; G11B; G11B5/00; G11B5/62; G11B5/68; G11B5/70; G11B5/708; G21; G21K; G21K4/00; G21K2004/06; Y; Y10; Y10T; Y10T428/00; Y10T428/25
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
29 words
AN OPTICAL SCREEN COMPRISING ZINC SULPHIDE CRYSTALS HAVING CAESIUM IODIDE IN THE SPACE INTERVENING BETWEEN THEM AND MEANS FOR SUPPORTING SAID CRYSTAL IN A LAYER, THE RELATIVE WEIGHTS OF
Claim 2
Dependent Claim
29 words
AN OPTICAL SCREEN COMPRISING ZINC SULPHIDE CRYSTALS HAVING CAESIUM IODIDE IN THE SPACE INTERVENING BETWEEN THEM AND MEANS FOR SUPPORTING SAID CRYSTAL IN A LAYER, THE RELATIVE WEIGHTS OF
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) | 1956-09-07 | 1957-03-09 | 1957-09-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-09-07 | 1961-03-09 | 1961-09-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-09-07 | 1965-03-09 | 1965-09-08 | $7700.00 | Window Closed / Lapsed |