US2836766A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electroluminescent devices and circuits
Assignee: General Electric Co
•
Filing: 1956-05-15
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Granted: 1958-05-27
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Expires: 1976-05-15
Abstract
No abstract record available.
Inventors
- 👤 Richard E Halsted
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:17
CPC Classifications
G; G11; G11C; G11C11/00; G11C11/21; G11C11/42; H; H03; H03B; H03B17/00; H03F; H03F17/00; H03K; H03K17/00; H03K17/51; H03K17/78; H03K3/00; H03K3/02; H03K3/42; H04; H04N; H04N3/00; H04N3/10; H04N3/14; H05; H05B; H05B33/00; H05B33/12; H05B33/26; H05B44/00; Y; Y02; Y02B; Y02B20/00; Y02B20/30
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2694785A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-05-26 | 1961-11-25 | 1962-05-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-05-26 | 1965-11-25 | 1966-05-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-05-26 | 1969-11-25 | 1970-05-27 | $7700.00 | Window Closed / Lapsed |