Patent US3290516A successfully refreshed from Google Patents.
US3290516A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Semiconductor diode operating circuits
Assignee: Semiconductor Research Foundation
•
Filing: 1963-06-19
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Granted: 1966-12-06
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Expires: 1983-06-19
Abstract
No abstract record available.
Inventors
- 👤 Nishizawa Jun-Ichi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 08:19
CPC Classifications
H; H03; H03D; H03D9/00; H03D9/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
30 words
A CIRCUIT FOR PERFORMING A DETECTOR FUNCTION, COMPRISING A SUBSTANTIALLY CYLINDRICAL CONDUCTIVE HOUSING SHEATH, A SPIRALLY WOUND WIRE WITHIN SAID SHEATH AND INSULATED THEREFROM, AND A PLURALITY OF DIODES CONNECTED
Claim 2
Dependent Claim
30 words
A CIRCUIT FOR PERFORMING A DETECTOR FUNCTION, COMPRISING A SUBSTANTIALLY CYLINDRICAL CONDUCTIVE HOUSING SHEATH, A SPIRALLY WOUND WIRE WITHIN SAID SHEATH AND INSULATED THEREFROM, AND A PLURALITY OF DIODES CONNECTED
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Cited
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-12-05 | 1970-06-06 | 1970-12-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-05 | 1974-06-06 | 1974-12-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-05 | 1978-06-06 | 1978-12-06 | $7700.00 | Window Closed / Lapsed |