US3530343A
Expired / Lapsed
US
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Transistor device with plateau emitter and method for making same
Assignee: NEC Corp
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Filing: 1969-05-14
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Granted: 1970-09-22
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Expires: 1989-05-14
Abstract
No abstract record available.
Inventors
- 👤 Toshiaki Irie
- 👤 Katsuo Sato
- 👤 Yoshiyuki Nanko
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 02:41
CPC Classifications
H; H10; H10D; H10D62/00; H10D62/10; H10D62/124; H10D62/125; H10D99/00; H10P; H10P14/00; H10P14/60; H10P14/61; H10P95/00; H10W; H10W10/00; H10W10/01; H10W10/011; H10W10/012; H10W10/0128; H10W10/10; H10W10/13; Y; Y10; Y10S; Y10S148/00; Y10S148/031; Y10S148/037; Y10S148/043; Y10S148/049; Y10S148/051; Y10S148/117; Y10S148/145
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-09-21 | 1974-03-23 | 1974-09-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-09-21 | 1978-03-23 | 1978-09-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-09-21 | 1982-03-23 | 1982-09-22 | $7700.00 | Window Closed / Lapsed |