Patent US2336525A successfully refreshed from Google Patents.
US2847602A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Voltage controlled emission from a phosphor screen
Assignee: Individual
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Filing: 1957-10-07
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Granted: 1958-08-12
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Expires: 1977-10-07
Abstract
No abstract record available.
Inventors
- 👤 Hyman A Michlin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:18
CPC Classifications
H; H05; H05B; H05B33/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
104 words
ELECTROLUMINESCENT DISPLAY DEFICE FOR PRODUCING CHANGING RESULTANT COLORS COMPRISING ELECTROLUMINESCENT PHOSPHOR LAYER HAVING ARRANGED THEREIN DIFFERENT KINDS OF PHOSPHORS, EACH SAID KING EMITTISNG IN A DIFFERENT LUMINOSITY FOR EACH CHANGE OF POTENTIAL DIFFERENCE APPLIED THERETO, EACH SAID KIND EMITTING IN A DIFFERENT COLOR, AND EACH SAID KING ARRANGED IN THE LAYER SO THAT ON BEING SUBJECTED TO POTENTIAL DIFFERENCE THE EMITTED DIFFERENT COLORS THEREFROM ARE CAPABLE OF BEING COMBINED IN THE ADDITIVE PROCESS; SAID LAYER OF PHOSPHORS HAVING AN ELECTRODE AT EACH SIDE THEREOF AT LEAST ONE ELECTRODE BEING TRANSPARENT; AND A SOURCE SOF CONTROLLABLE VOLTAGE ARRANGED TO APPLY DIFFERENT POTENTIALS TO SAID ELECTRODES.
Claim 2
Dependent Claim
104 words
ELECTROLUMINESCENT DISPLAY DEFICE FOR PRODUCING CHANGING RESULTANT COLORS COMPRISING ELECTROLUMINESCENT PHOSPHOR LAYER HAVING ARRANGED THEREIN DIFFERENT KINDS OF PHOSPHORS, EACH SAID KING EMITTISNG IN A DIFFERENT LUMINOSITY FOR EACH CHANGE OF POTENTIAL DIFFERENCE APPLIED THERETO, EACH SAID KIND EMITTING IN A DIFFERENT COLOR, AND EACH SAID KING ARRANGED IN THE LAYER SO THAT ON BEING SUBJECTED TO POTENTIAL DIFFERENCE THE EMITTED DIFFERENT COLORS THEREFROM ARE CAPABLE OF BEING COMBINED IN THE ADDITIVE PROCESS; SAID LAYER OF PHOSPHORS HAVING AN ELECTRODE AT EACH SIDE THEREOF AT LEAST ONE ELECTRODE BEING TRANSPARENT; AND A SOURCE SOF CONTROLLABLE VOLTAGE ARRANGED TO APPLY DIFFERENT POTENTIALS TO SAID ELECTRODES.
References Cited (Backward Citations)
US2768310A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-08-11 | 1962-02-10 | 1962-08-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-08-11 | 1966-02-10 | 1966-08-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-08-11 | 1970-02-10 | 1970-08-12 | $7700.00 | Window Closed / Lapsed |