Patent US2837661A successfully refreshed from Google Patents.
US2837661A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Radiation amplifier
Assignee: —
•
Filing: —
•
Granted: 1958-06-03
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Expires: 1975-06-03
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 08:01
CPC Classifications
H; H10; H10F; H10F55/00; H10F55/10
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
99 words
A RADIATION AMPLIFIER COMPRISING AN ELEMENTAL LAYER OF PHOTOCONDUCTIVE MATERIAL HAVING IMPEDANCE CHARACTERISTICS DEPENDENT UPON INCIDENT RADIATION, AN ELEMENTAL LAYER OF ELECTROLUMINESCENT MATERIAL DISPOSED SUBSTANTIALLY PARALLEL TO SAID PHOTOCONDUCTIVE LAYER, A CONTACT ELEMENT HAVING ONE SURFACE CONDUCTIVELY ENGAGING SAID ELECTROLUMINESCENT LAYER, AN ELECTRODE TERMINAL CONDUCTIVELY CONNECTED TO SAID PHOTOCONDUCTIVE LAYER, SAID ELEMENT AND SAID TERMINAL BEING CONDUCTIVELY CONNECTED TO SAID PHOTOCONDUCTIVE LAYER AT SPACED APART POINTS WHEREBY THE LATTER IS CONNECTED IN SERIES THEREBETWEEN, AND AN ELECTRODE FOR SAID ELECTROLUMINESCENT LAYER, BOTH ELECTRODE TERMINALS BEING SO ARRANGED THAT AN ELECTRIC FIELD CONNECTED THERETO WILL DISTRIBUTE OVER BOTH LAYERS THEREOF.
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) | 1961-06-02 | 1961-12-02 | 1962-06-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-06-02 | 1965-12-02 | 1966-06-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-06-02 | 1969-12-02 | 1970-06-03 | $7700.00 | Window Closed / Lapsed |