US3235736A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electroluminescent device
Assignee: GTE Sylvania Inc
•
Filing: 1957-08-29
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Granted: 1966-02-15
•
Expires: 1977-08-29
Abstract
No abstract record available.
Inventors
- 👤 Daniel R Frankl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 05:00
CPC Classifications
H; H05; H05B; H05B33/00; H05B33/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
154 words
IN COMBINATION, AN ELECTROLUMINESCENT LAYER, ONE SURFACE OF WHICH IS COATED WITH A FIRST TRANSPARENT ELECTRICALLY CONDUCTIVE FILM; A MATRIX LAYER APPLIED OVER THE OTHER SURFACE OF SAID ELECTROLUMINESCENT LAYER, THE SURFACE OF SAID MATRIX LAYER REMOTE FROM SAID ELECTROLUMINESCENT LAYER BEING COATED WITH A SECOND TRANSPARENT ELECTRICALLY CONDUCTIVE FILM, SAID MATRIX LAYER INCLUDING A PHOTOCONDUCTIVE LAYER PROVIDED WITH A PLURALITY OF DISCRETELY SPACED LIGHT-TRANSPARENT FIBER GLASS FILAMENT ELEMENTS EMBEDDED THEREIN AND EXTENDING THROUGH THE ENTIRE THICKNESS THEREOF, SAID ELEMENTS BEING SUBSTANTIALLY PARALLEL TO EACH OTHER AND ARRANGED INTO A PLURALITY OF HORIZONTAL ARRAYS, THE ELEMENTS IN ANY ODD NUMBERED ARRAY BEING VERTICALLY ALIGNED WITH THE CORRESPONDING ELEMENTS IN ALL OTHER ODD NUMBERED ARRAYS, THE ELEMENTS IN ANY EVEN NUMBERED ARRAYS BEING VERTICALLY ALIGNED WITH THE CORRESPONDING ELEMENTS IN ALL EVEN NUMBERED ARRAYS, THE ELEMENTS IN ANY ODD NUMBERED ARRAY BEING OUT OF VERTICAL ALIGNMENT WITH THE CORRESPONDING ELEMENTS IN ANY EVEN NUMBERED ARRAY.
Claim 2
Dependent Claim
154 words
IN COMBINATION, AN ELECTROLUMINESCENT LAYER, ONE SURFACE OF WHICH IS COATED WITH A FIRST TRANSPARENT ELECTRICALLY CONDUCTIVE FILM; A MATRIX LAYER APPLIED OVER THE OTHER SURFACE OF SAID ELECTROLUMINESCENT LAYER, THE SURFACE OF SAID MATRIX LAYER REMOTE FROM SAID ELECTROLUMINESCENT LAYER BEING COATED WITH A SECOND TRANSPARENT ELECTRICALLY CONDUCTIVE FILM, SAID MATRIX LAYER INCLUDING A PHOTOCONDUCTIVE LAYER PROVIDED WITH A PLURALITY OF DISCRETELY SPACED LIGHT-TRANSPARENT FIBER GLASS FILAMENT ELEMENTS EMBEDDED THEREIN AND EXTENDING THROUGH THE ENTIRE THICKNESS THEREOF, SAID ELEMENTS BEING SUBSTANTIALLY PARALLEL TO EACH OTHER AND ARRANGED INTO A PLURALITY OF HORIZONTAL ARRAYS, THE ELEMENTS IN ANY ODD NUMBERED ARRAY BEING VERTICALLY ALIGNED WITH THE CORRESPONDING ELEMENTS IN ALL OTHER ODD NUMBERED ARRAYS, THE ELEMENTS IN ANY EVEN NUMBERED ARRAYS BEING VERTICALLY ALIGNED WITH THE CORRESPONDING ELEMENTS IN ALL EVEN NUMBERED ARRAYS, THE ELEMENTS IN ANY ODD NUMBERED ARRAY BEING OUT OF VERTICAL ALIGNMENT WITH THE CORRESPONDING ELEMENTS IN ANY EVEN NUMBERED ARRAY.
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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) | 1969-02-14 | 1969-08-16 | 1970-02-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-14 | 1973-08-16 | 1974-02-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-14 | 1977-08-16 | 1978-02-15 | $7700.00 | Window Closed / Lapsed |