Patent US2863061A successfully refreshed from Google Patents.
US2863061A
Expired / Lapsed
US
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X-ray fluoroscopic device
Assignee: Westinghouse Electric Corp
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Filing: 1954-05-28
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Granted: 1958-12-02
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Expires: 1974-05-28
Abstract
No abstract record available.
Inventors
- 👤 Destriau Georges
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 21:34
CPC Classifications
G; G02; G02B; G02B27/00; G02B27/02; G02B27/022; G02B27/023; G21; G21K; G21K4/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
107 words
A FLUOROSCOPIC DEVICE COMPRISING, A LUMINESCENT MATERIAL AND A DIELECTRIC SANDWICHED BETWEEN TWO ELECTRODES, MEANS FOR APPLYING AN ALTERNATING CURRENT POTENTIAL BETWEEN SAID ELECTRODES, MEANS FOR IRRADIATING SAID LUMINESCENT MATERIAL WITH X-RAYS, SAID LUMINESCENT MATERIAL CONSISTING OF ZNS AND CDS WHEREIN THE MOLAR RATIO ZN TO CD IS FROM 9 ZN:1 CD TO 3 ZN:7 CD AND ACTIVATED BY ONE OF THE GROUP CONSISTING OF MN, AND MN AND AG, SAID MN ACTIVATOR BEING PRESENT IN AMOUNTS OF FROM 0.3X10**-2 TO 1.1X10**-2 MOLE PER MOLE OF LUMINESCENT MATERIAL, AND SAID AG ACTIVATOR BEING PRESENT IN AMOUNTS OF FROM TRACES TO 1.0X10**-2 MOLE PER MOLE OF MN ACTIVATOR.
Claim 2
Dependent Claim
57 words
AN X-RAY SENSITIVE DEVICE COMPRISING, A SCREEN OF DIELECTRIC AND LUMINESCENT MEANS, SAID LUMINESCENT MEANS EXHIBITING THE PROPERTY OF SUSTAINED LUMINESCENCE UNDER EXCITATION BY X-RAYS AND SUSTAINED ENHANCED LUMINESCENCE UNDER THE SIMULTANEOUS INFLUENCE OF AN ALTERNATING ELECTRIC FIELD, MEANS FOR APPLYING AN ALTERNATING ELECTRIC FIELD ACROSS SAID SCREEN, AND MEANS FOR SIMULTANEOUSLY IRRADIATING SAID SCREEN WITH X-RAYS.
References Cited (Backward Citations)
US2566349A
Cited
US2650310A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-12-01 | 1962-06-02 | 1962-12-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-12-01 | 1966-06-02 | 1966-12-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-12-01 | 1970-06-02 | 1970-12-02 | $7700.00 | Window Closed / Lapsed |