Patent US3514825A successfully refreshed from Google Patents.
US3514825A
Expired / Lapsed
US
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Method of manufacturing electroluminescent display devices
Assignee: GEN CO
•
Filing: 1968-01-15
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Granted: 1970-06-02
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Expires: 1988-01-15
Abstract
No abstract record available.
Inventors
- 👤 Vincent Vodicka
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 19:16
CPC Classifications
G; G09; G09G; G09G3/00; G09G3/04; G09G3/06; G09G3/12; H; H05; H05B; H05B33/00; H05B33/12; H05B33/26; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49117; Y10T29/49124; Y10T29/49155; Y10T29/49158; Y10T29/4916
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3219865A
Cited
US3435270A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-06-01 | 1973-12-01 | 1974-06-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-06-01 | 1977-12-01 | 1978-06-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-06-01 | 1981-12-01 | 1982-06-02 | $7700.00 | Window Closed / Lapsed |