Patent US3066258A successfully refreshed from Google Patents.
US3066258A
Expired / Lapsed
US
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Semiconductor switching device
Assignee: US Philips Corp
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Filing: 1960-01-20
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Granted: 1962-11-27
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Expires: 1980-01-20
Abstract
No abstract record available.
Inventors
- 👤 Adrianus J W M Van Overbeek
- 👤 Willems Ebertus
- 👤 Johannes Theodorus Anto Lottum
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 14:21
CPC Classifications
H; H03; H03K; H03K17/00; H03K17/51; H03K17/56; H03K17/60; H03K17/68
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) | 1965-11-26 | 1966-05-28 | 1966-11-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-11-26 | 1970-05-28 | 1970-11-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-11-26 | 1974-05-28 | 1974-11-27 | $7700.00 | Window Closed / Lapsed |