US3523223A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Metal-semiconductor diodes having high breakdown voltage and low leakage and method of manufacturing
Assignee: Texas Instruments Inc
•
Filing: 1967-11-01
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Granted: 1970-08-04
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Expires: 1987-11-01
Abstract
No abstract record available.
Inventors
- 👤 Allan Harold Luxem
- 👤 Constantinos Theodore Nicolaou
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 00:22
CPC Classifications
H; H10; H10W; H10W74/00; H10W74/10; H10W74/131; H10D; H10D99/00; H10P; H10P14/00; H10P14/20; H10P14/29; H10P14/2901; H10P14/2902; H10P14/2905; H10P14/34; H10P14/3402; H10P14/3404; H10P14/3411; H10P14/3438; H10P14/3441; H10P14/3442; H10P14/3444; H10P95/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3271636A
Cited
US3345222A
Cited
US3328651A
Cited
US3402044A
Cited
US3366519A
Cited
US3290570A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-08-03 | 1974-02-02 | 1974-08-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-08-03 | 1978-02-02 | 1978-08-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-08-03 | 1982-02-02 | 1982-08-04 | $7700.00 | Window Closed / Lapsed |