US3296506A
Expired / Lapsed
US
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Housed semiconductor device structure with spring biased control lead
Assignee: Westinghouse Electric Corp
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Filing: 1964-11-12
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Granted: 1967-01-03
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Expires: 1984-11-12
Abstract
No abstract record available.
Inventors
- 👤 Jr John J Steinmetz
- 👤 Jr William H Walker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 05:37
CPC Classifications
H; H10; H10W; H10W72/00; Y; Y10; Y10S; Y10S257/00; Y10S257/926
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) | 1970-01-02 | 1970-07-04 | 1971-01-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-02 | 1974-07-04 | 1975-01-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-02 | 1978-07-04 | 1979-01-03 | $7700.00 | Window Closed / Lapsed |