Patent US3254232A successfully refreshed from Google Patents.
US3254232A
Expired / Lapsed
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Mitigation of stray impedance effects in high frequency gating
Assignee: AT&T Inc
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Filing: 1962-10-05
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Granted: 1966-05-31
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Expires: 1982-10-05
Abstract
No abstract record available.
Inventors
- 👤 Charles J N Candy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 08:15
CPC Classifications
H; H03; H03K; H03K19/00; H03K19/20; H03K19/21; H03K19/212
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
81 words
APPARATUS COMPRISING AN ACTIVE ELEMENT ACCOMPANIED BY STRAY IMPEDANCE EFFECTS, A LOAD ACCOMPANIED BY STRAY IMPEDANCE EFFECTS AND CONNECTED TO SAID ACTIVE ELEMENT. MEANS FOR APPLYING AN AUXILIARY SIGNAL TO SAID ACTIVE ELEMENT AND SAID LOAD, FROM WHICH SAID SIGNAL IS DIVERTED BY THE STRAY IMPEDANCE EFFECTS. MEANS CONNECTED JOINTLY TO SAID ACTIVE ELEMENT AND SAID LOAD FOR REDUCING THE STRAY IMPEDANCE EFFECTS OF SAID ACTIVE ELEMENT AND SAID LOAD, AND MEANS FOR ISOLATING SAID REDUCING MEANS FROM SAID APPLYING MEANS.
Claim 2
Dependent Claim
81 words
APPARATUS COMPRISING AN ACTIVE ELEMENT ACCOMPANIED BY STRAY IMPEDANCE EFFECTS, A LOAD ACCOMPANIED BY STRAY IMPEDANCE EFFECTS AND CONNECTED TO SAID ACTIVE ELEMENT. MEANS FOR APPLYING AN AUXILIARY SIGNAL TO SAID ACTIVE ELEMENT AND SAID LOAD, FROM WHICH SAID SIGNAL IS DIVERTED BY THE STRAY IMPEDANCE EFFECTS. MEANS CONNECTED JOINTLY TO SAID ACTIVE ELEMENT AND SAID LOAD FOR REDUCING THE STRAY IMPEDANCE EFFECTS OF SAID ACTIVE ELEMENT AND SAID LOAD, AND MEANS FOR ISOLATING SAID REDUCING MEANS FROM SAID APPLYING MEANS.
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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) | 1969-05-30 | 1969-11-29 | 1970-05-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-05-30 | 1973-11-29 | 1974-05-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-05-30 | 1977-11-29 | 1978-05-31 | $7700.00 | Window Closed / Lapsed |