US3483446A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Semiconductor integrated circuit including a bidirectional transistor and method of making the same
Assignee: Westinghouse Electric Corp
•
Filing: 1967-06-15
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Granted: 1969-12-09
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Expires: 1987-06-15
Abstract
No abstract record available.
Inventors
- 👤 Binne Van Der Leest
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 04:54
CPC Classifications
H; H03; H03K; H03K17/00; H03K17/51; H03K17/56; H03K17/60; H10; H10D; H10D84/00; H10D84/01; H10D84/0112; H10D84/02; H10D84/03; H10D84/038; H10D84/60; H10D84/611; H10D84/613; H10W; H10W10/00; H10W10/01; H10W10/031; H10W10/30
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2877359A
Cited
US3260902A
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US3293087A
Cited
US3328651A
Cited
US3335341A
Cited
US3333166A
Cited
US3380153A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-12-08 | 1973-06-09 | 1973-12-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-12-08 | 1977-06-09 | 1977-12-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-12-08 | 1981-06-09 | 1981-12-09 | $7700.00 | Window Closed / Lapsed |