US3398334A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Semiconductor device having regions of different conductivity types wherein current is carried by the same type of carrier in all said regions
Assignee: TDK Micronas GmbH
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Filing: 1964-11-23
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Granted: 1968-08-20
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Expires: 1984-11-23
Abstract
No abstract record available.
Inventors
- 👤 Shockley William
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 03:23
CPC Classifications
H; H10; H10D; H10D8/00; H10D8/825; H10D48/00; H10D48/30; H10D48/32; H10D48/36; H10D48/362; H10D99/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US3279963A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-08-20 | 1972-02-19 | 1972-08-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-08-20 | 1976-02-19 | 1976-08-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-08-20 | 1980-02-19 | 1980-08-20 | $7700.00 | Window Closed / Lapsed |