US3501676A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Solid state matrix having an injection luminescent diode as the light source
Assignee: Zenith Electronics LLC
•
Filing: 1968-04-29
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Granted: 1970-03-17
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Expires: 1988-04-29
Abstract
No abstract record available.
Inventors
- 👤 Robert Adler
- 👤 Alan Sobel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:07
CPC Classifications
H; H05; H05B; H05B33/00; H05B33/12; H05B33/22; H04; H04N; H04N3/00; H04N3/10; H04N3/14; H10; H10W; H10W90/00; H10H; H10H20/00; H10H20/80; H10H20/85; H10H20/855; H10H20/856
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3066242A
Cited
US3060345A
Cited
US3254267A
Cited
US3184635A
Cited
US3246162A
Cited
US3453507A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-03-16 | 1973-09-15 | 1974-03-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-03-16 | 1977-09-15 | 1978-03-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-03-16 | 1981-09-15 | 1982-03-17 | $7700.00 | Window Closed / Lapsed |