US2748288A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electron photography plate construction
Assignee: RCA Corp
•
Filing: 1953-10-01
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Granted: 1956-05-29
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Expires: 1973-10-01
Abstract
No abstract record available.
Inventors
- 👤 Jr Theodore A Saulnier
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:58
CPC Classifications
G; G03; G03F; G03F7/00; G03F7/004; G03C; G03C1/00; G03C1/66; G03C1/76; G03C1/77; G03F7/04; Y; Y10; Y10S; Y10S430/00; Y10S430/143
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
56 words
AN ELECTRON-SENSITIVE PHOTOGRAPHIC PLATE COMPRISING A METALLIC BASE HAVING A COATING OF AN ORGANIC MATERIAL DISPOSED THEREON, SAID MATERIAL BEING INSOLUBILIZABLE BY ELECTRON BOMBARDMENT, AND A SEMITRANSPARENT METALLIC FILM DISPOSED OVER AND COEXTENSIVE WITH SAID COATING ON THE OPPOSITE SURFACE OF SAID COATING FROM SAID METALLIC BASE FOR PREVENTING ACCUMMULATION OF ELECTRON CHARGES ON SAID COATING.
Claim 2
Dependent Claim
56 words
AN ELECTRON-SENSITIVE PHOTOGRAPHIC PLATE COMPRISING A METALLIC BASE HAVING A COATING OF AN ORGANIC MATERIAL DISPOSED THEREON, SAID MATERIAL BEING INSOLUBILIZABLE BY ELECTRON BOMBARDMENT, AND A SEMITRANSPARENT METALLIC FILM DISPOSED OVER AND COEXTENSIVE WITH SAID COATING ON THE OPPOSITE SURFACE OF SAID COATING FROM SAID METALLIC BASE FOR PREVENTING ACCUMMULATION OF ELECTRON CHARGES ON SAID COATING.
References Cited (Backward Citations)
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Cited
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Cited
US2382674A
Cited
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Cited
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Cited
US2707162A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-05-29 | 1959-11-28 | 1960-05-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-05-29 | 1963-11-28 | 1964-05-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-05-29 | 1967-11-28 | 1968-05-29 | $7700.00 | Window Closed / Lapsed |