Patent US3148285A successfully refreshed from Google Patents.
US3148285A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Control circuit with phase lead characteristics
Assignee: McDonnell Aircraft Corp
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Filing: 1962-02-07
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Granted: 1964-09-08
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Expires: 1982-02-07
Abstract
No abstract record available.
Inventors
- 👤 Tedeschi Anthony
- 👤 John D Keating
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 01:29
CPC Classifications
G; G05; G05D; G05D1/00; G05D1/08; G05D1/0808
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
81 words
A CURRENT OPERATED CONTROL CIRCUIT INCLUDING ACTIVE AND PASSIVE ELEMENTS CAPABLE OF PRODUCING AN OUTPUT SIGNAL WHICH LEADS AN INPUT SIGNAL IN PHASE COMPRISING A SEMI-CONDUCTIVE ELEMENT HAVING AN INPUT ELECTRODE, MEANS BIASING SAID INPUT ELECTRODE TO A PREDETERMINED OPERATING CONDITION, A COLLECTOR ELECTRODE CONNECTED TO A LOAD, MEANS BIASING SAID COLLECTOR ELECTRODE TO AN OPERATING CONDITION, AN INPUT CIRCUIT HAVING PARALLEL CONNECTED ALTERNATING CURRENT AND DIRECT CURRENT CHANNELS ONE SIDE OF WHICH IS CONNECTED TO THE INPUT ELECTRODE AND THE
Claim 2
Dependent Claim
81 words
A CURRENT OPERATED CONTROL CIRCUIT INCLUDING ACTIVE AND PASSIVE ELEMENTS CAPABLE OF PRODUCING AN OUTPUT SIGNAL WHICH LEADS AN INPUT SIGNAL IN PHASE COMPRISING A SEMI-CONDUCTIVE ELEMENT HAVING AN INPUT ELECTRODE, MEANS BIASING SAID INPUT ELECTRODE TO A PREDETERMINED OPERATING CONDITION, A COLLECTOR ELECTRODE CONNECTED TO A LOAD, MEANS BIASING SAID COLLECTOR ELECTRODE TO AN OPERATING CONDITION, AN INPUT CIRCUIT HAVING PARALLEL CONNECTED ALTERNATING CURRENT AND DIRECT CURRENT CHANNELS ONE SIDE OF WHICH IS CONNECTED TO THE INPUT ELECTRODE AND THE
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) | 1967-09-08 | 1968-03-09 | 1968-09-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-08 | 1972-03-09 | 1972-09-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-08 | 1976-03-09 | 1976-09-08 | $7700.00 | Window Closed / Lapsed |