Patent US3087123A successfully refreshed from Google Patents.
US3087123A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Negative resistance diode multivibrators
Assignee: RCA Corp
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Filing: 1960-04-21
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Granted: 1963-04-23
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Expires: 1980-04-21
Abstract
No abstract record available.
Inventors
- 👤 Rubenstein Herbert
- 👤 Anatol G Samusenko
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 22:04
CPC Classifications
H; H03; H03K; H03K3/00; H03K3/02; H03K3/313; H03K3/315
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
45 words
AN ELECTRICAL CIRCUIT COMPRISING: FIRST AND SECOND CIRCUIT BRANCHES INCLUDING FIRST AND SECOND TWO-TERMINAL DEVICES, RESPECTIVELY, EACH OF SAID DEVICES HAVING A VOLTAMPER CHARACTERISTIC WITH A NEGATIVE RESISTANCE REGION; MEANS MAGNETICALLY COUPLING SAID BRANCHES; AND MEANS FOR BIASING SAID DEVICES FOR OPERATION AS A MULTIVIBRATOR.
Claim 2
Dependent Claim
45 words
AN ELECTRICAL CIRCUIT COMPRISING: FIRST AND SECOND CIRCUIT BRANCHES INCLUDING FIRST AND SECOND TWO-TERMINAL DEVICES, RESPECTIVELY, EACH OF SAID DEVICES HAVING A VOLTAMPER CHARACTERISTIC WITH A NEGATIVE RESISTANCE REGION; MEANS MAGNETICALLY COUPLING SAID BRANCHES; AND MEANS FOR BIASING SAID DEVICES FOR OPERATION AS A MULTIVIBRATOR.
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) | 1966-04-22 | 1966-10-22 | 1967-04-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-22 | 1970-10-22 | 1971-04-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-22 | 1974-10-22 | 1975-04-23 | $7700.00 | Window Closed / Lapsed |