Patent US3146416A successfully refreshed from Google Patents.
US3146416A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tunnel diode biased in negative resistance region by zener diode power supply means
Assignee: Siemens and Halske AG
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Filing: 1962-12-20
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Granted: 1964-08-25
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Expires: 1982-12-20
Abstract
No abstract record available.
Inventors
- 👤 Bobon Fritz
- 👤 Meewes Gunter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 22:39
CPC Classifications
H; H03; H03B; H03B7/00; H03B7/02; H03B7/06; H03B7/08; H03F; H03F3/00; H03F3/04; H03F3/10; H03F3/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
60 words
IN AN ELECTRIC CIRCUIT OF NEGATIVE RESISTANCE HAVING A TUNNEL DIODE AND DIRECT-VOLTAGE SUPPLY MEANS CONNECTED TO SAID TUNNEL DIODE AND HAVING AT SAID TUNNEL DIODE A FEED VOLTAGE RATED FOR OPERATING OF SAID TUNNEL DIODE ON THE DESCENDING BRANCH OF ITS CURRENT-VOLTAGE CHARACTERISTIC, SAID SUPPLY MEANS COMPRISING A ZENER DIODE AND DIRECT-CURRENT MEANS CONNECTED TO SAID ZENER DIODE AND
Claim 2
Dependent Claim
60 words
IN AN ELECTRIC CIRCUIT OF NEGATIVE RESISTANCE HAVING A TUNNEL DIODE AND DIRECT-VOLTAGE SUPPLY MEANS CONNECTED TO SAID TUNNEL DIODE AND HAVING AT SAID TUNNEL DIODE A FEED VOLTAGE RATED FOR OPERATING OF SAID TUNNEL DIODE ON THE DESCENDING BRANCH OF ITS CURRENT-VOLTAGE CHARACTERISTIC, SAID SUPPLY MEANS COMPRISING A ZENER DIODE AND DIRECT-CURRENT MEANS CONNECTED TO SAID ZENER DIODE AND
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-08-25 | 1968-02-24 | 1968-08-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-08-25 | 1972-02-24 | 1972-08-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-08-25 | 1976-02-24 | 1976-08-25 | $7700.00 | Window Closed / Lapsed |