Patent US2929935A successfully refreshed from Google Patents.
US2929935A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Image amplifier
Assignee: Westinghouse Electric Corp
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Filing: 1954-07-23
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Granted: 1960-03-22
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Expires: 1974-07-23
Abstract
No abstract record available.
Inventors
- 👤 Lempert Joseph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 08:07
CPC Classifications
H; H01; H01J; H01J29/00; H01J29/02; H01J29/10; H01J29/36; H01J29/39; H01J29/41; H01J29/38; H01J29/385
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
64 words
AN INPUT SCREEN FOR AN IMAGE AMPLIFIER COMPRISING A THIN ELECTRICALLY CONDUCTIVE LAYER SANDWICHED BETWEEN A FLUORESCENT LAYER RESPONSIVE TO THE IMAGE TO BE AMPLIFIED AND A RADIATION SENSITIVE LAYER, SAID ELECTRICALLY CONDUCTIVE LAYER SUBSTANTIALLY TRANSPARENT TO RADIATION FROM SAID FLUORESCENT LAYER, SAID RADIATION SENSITIVE LAYER COMPRISED OF A PLURALITY OF FILAMENTS OF PHOTOCONDUCTIVE MATERIAL EMBEDDED IN A MATRIX OF INSULATING MATERIAL AND RESPON-
Claim 2
Dependent Claim
64 words
AN INPUT SCREEN FOR AN IMAGE AMPLIFIER COMPRISING A THIN ELECTRICALLY CONDUCTIVE LAYER SANDWICHED BETWEEN A FLUORESCENT LAYER RESPONSIVE TO THE IMAGE TO BE AMPLIFIED AND A RADIATION SENSITIVE LAYER, SAID ELECTRICALLY CONDUCTIVE LAYER SUBSTANTIALLY TRANSPARENT TO RADIATION FROM SAID FLUORESCENT LAYER, SAID RADIATION SENSITIVE LAYER COMPRISED OF A PLURALITY OF FILAMENTS OF PHOTOCONDUCTIVE MATERIAL EMBEDDED IN A MATRIX OF INSULATING MATERIAL AND RESPON-
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-03-22 | 1963-09-21 | 1964-03-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-03-22 | 1967-09-21 | 1968-03-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-03-22 | 1971-09-21 | 1972-03-22 | $7700.00 | Window Closed / Lapsed |