Patent US3263138A successfully refreshed from Google Patents.
US3263138A
Expired / Lapsed
US
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Multifunctional semiconductor devices
Assignee: Westinghouse Electric Corp
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Filing: 1960-02-29
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Granted: 1966-07-26
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Expires: 1980-02-29
Abstract
No abstract record available.
Inventors
- 👤 Thomas P Nowalk
- 👤 Henkels Herbert Walter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:47
CPC Classifications
H; H10; H10D; H10D84/00; H10D84/40; H10D84/401; H10D99/00; H10W; H10W20/00; H10W20/40; H10W72/00; H10W72/50; H10W72/531; H10W72/536; H10W72/551; H10W72/552; H10W72/59; H10W72/90; H10W72/931; H10W72/932
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3051877A
Cited
US2897295A
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US2924760A
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US3046405A
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US3029366A
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US2985804A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-07-25 | 1970-01-24 | 1970-07-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-07-25 | 1974-01-24 | 1974-07-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-07-25 | 1978-01-24 | 1978-07-26 | $7700.00 | Window Closed / Lapsed |