Patent US4407303A successfully refreshed from Google Patents.
US3093752A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Function generator and frequency doubler using non-linear characteristics of semiconductive device
Assignee: Westinghouse Electric Corp
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Filing: 1959-08-24
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Granted: 1963-06-11
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Expires: 1979-08-24
Abstract
No abstract record available.
Inventors
- 👤 Christensen Bent
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 09:26
CPC Classifications
H; H03; H03B; H03B19/00; H03B19/06; H03B19/14; H03B2200/00; H03B2200/006; H03B2200/0092
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
91 words
IN A SEMICONDUCTOR APPARATUS, THE COMBINATION COMPRISING, A BODY OF SEMICONDUCTOR MATERIAL OF A PREDETERMINED POLARITY CONDUCTIVITY TYPE, MEANS FOR APPLYING AN ALTERNATING CURRENT ALONG AN AXIS BETWEEN THE OPPOSITE ENDS OF SAID BODY, A PAIR OF ELECTRODES CONNECTED TO SAID BODY ALONG ANOTHER AXIS SUBSTANTIALLY PERPENDICULAR TO SAID AXIS, SAID ELECTRODES COMPRISING A CONNECTION WITH SAID BODY AND HAVING OPPOSITE POLARITY TO THE CONDUCTIVITY TYPE OF SAID BODY, AN OUTPUT CIRCUIT COMPRISING A FIRST AND A SECOND OUTPUT TERMINAL, AND MEANS FOR CONNECTING SAID ELECTRODES TO SAID FIRST OUTPUT TERMINAL.
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) | 1966-06-10 | 1966-12-10 | 1967-06-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-06-10 | 1970-12-10 | 1971-06-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-06-10 | 1974-12-10 | 1975-06-11 | $7700.00 | Window Closed / Lapsed |