US3412460A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making complementary transistor structure
Assignee: Westinghouse Electric Corp
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Filing: 1965-06-24
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Granted: 1968-11-26
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Expires: 1985-06-24
Abstract
No abstract record available.
Inventors
- 👤 Hung C Lin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 12:17
CPC Classifications
H; H10; H10D; H10D84/00; H10D84/60; H10D84/63; H10D84/01; H10D84/0112; H10D84/0114; H10D84/02; H10D84/03; H10D84/038; H10W; H10W10/00; H10W10/01; H10W20/00; H10W20/40; H10W20/497; Y; Y10; Y10S; Y10S148/00; Y10S148/036; Y10S148/053; Y10S148/085; Y10S148/096
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) | 1971-11-26 | 1972-05-27 | 1972-11-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-11-26 | 1976-05-27 | 1976-11-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-11-26 | 1980-05-27 | 1980-11-26 | $7700.00 | Window Closed / Lapsed |