US3414441A
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US
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Electroluminescent junction device including a bismuth doped group iii(a)-v(a) composition
Assignee: AT&T Inc
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Filing: 1966-04-26
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Granted: 1968-12-03
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Expires: 1986-04-26
Abstract
No abstract record available.
Inventors
- 👤 Gershenzon Murray
- 👤 David G Thomas
- 👤 Forrest A Trumbore
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 23:31
CPC Classifications
H; H10; H10H; H10H20/00; H10H20/80; H10H20/81; H10H20/819; H10D; H10D62/00; H10D62/80; H10D62/85; H10D62/854; H10H29/00; H10H29/10; H10H29/14; H10P; H10P14/00; H10P14/20; H10P14/26; H10P14/263; H10P14/265; H10P14/34; H10P14/3402; H10P14/3414; H10P14/3416; H10P14/3418; H10P14/3438; H10P14/3441; H10P14/3442; H10P14/3444; H10P14/3446; H10P95/00; Y; Y10; Y10S; Y10S148/00; Y10S148/107; Y10S438/00; Y10S438/914; Y10S438/918
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3065112A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-12-03 | 1972-06-03 | 1972-12-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-03 | 1976-06-03 | 1976-12-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-03 | 1980-06-03 | 1980-12-03 | $7700.00 | Window Closed / Lapsed |