US3115585A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Logic circuit with inductive self-resetting of negative resistance diode operating state
Assignee: RCA Corp
•
Filing: 1961-03-08
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Granted: 1963-12-24
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Expires: 1981-03-08
Abstract
No abstract record available.
Inventors
- 👤 Feller Albert
- 👤 Ditkofsky Harry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 03:26
CPC Classifications
H; H03; H03K; H03K19/00; H03K19/02; H03K19/08; H03K19/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
40 words
IN COMBINATION, A PAIR OF BRANCH CIRCUITS CONNECTED IN PARALLEL, ONE INCLUDING A VOLTAGE CONTROLLED NEGATIVE RESISTANCE DIODE IN SERIES WITH THE EMITTER-TO-BASE DIODE OF A TRANSISTOR, AND THE OTHER INCLUDING AN INDUCTANCE IN SERIES WITH A POSITIVE RESISTANCE DIODE.
Claim 2
Dependent Claim
40 words
IN COMBINATION, A PAIR OF BRANCH CIRCUITS CONNECTED IN PARALLEL, ONE INCLUDING A VOLTAGE CONTROLLED NEGATIVE RESISTANCE DIODE IN SERIES WITH THE EMITTER-TO-BASE DIODE OF A TRANSISTOR, AND THE OTHER INCLUDING AN INDUCTANCE IN SERIES WITH A POSITIVE RESISTANCE DIODE.
References Cited (Backward Citations)
US2557729A
Cited
US2829282A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-12-23 | 1967-06-24 | 1967-12-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-12-23 | 1971-06-24 | 1971-12-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-12-23 | 1975-06-24 | 1975-12-24 | $7700.00 | Window Closed / Lapsed |