US3189796A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for suppressing transients during switching
Assignee: Westinghouse Electric Corp
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Filing: 1961-11-14
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Granted: 1965-06-15
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Expires: 1981-11-14
Abstract
No abstract record available.
Inventors
- 👤 Lynn L Tipton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 06:52
CPC Classifications
H; H02; H02H; H02H9/00; H02H9/005; H03; H03K; H03K17/00; H03K17/08; H03K17/081; H03K17/0814; H03K17/08146; H03K3/00; H03K3/02; H03K3/26; H03K3/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
121 words
IN AN ELECTRICAL NETWORK, A PAIR OF INPUT TERMINALS, A PAIR OF OUTPUT TERMINALS, A SWITCH, AN INDUCTIVE DEVICE HAVING A MAGNETIC MATERIAL CORE AND A FIRST WINDING AND A SECOND WINDING, SAID FIRST AND SECOND WINDINGS BEING MAGNETICALLY COUPLED TO SAID CORE, A CURRENT PATH INTERCONNECTING SAID PAIR OF INPUT TERMINALS TO SAID PAIR OF OUTPUT TERMINALS AND INCLUDING SAID SWITCH AND SAID FIRST WINDING, SAID CORE BEING PROPORTIONED TO SATURATE WITHIN THE OPERATING RANGE OF CURRENT FLOW THROUGH SAID PATH, AN ASYMMETRIC CURRENT CONTROLLING DEVICE, AND MEANS CONNECTING SAID ASYMMETRIC DEVICE IN SERIES WITH SAID SECOND WINDING TO PROVIDE A FIRST CIRCUIT, AND MEANS CONNECTING SAID FIRST CIRCUIT IN SERIES CIRCUITG WITH SAID OUTPUT TERMINALS AND SAID FIRST WINDING.
Claim 2
Dependent Claim
121 words
IN AN ELECTRICAL NETWORK, A PAIR OF INPUT TERMINALS, A PAIR OF OUTPUT TERMINALS, A SWITCH, AN INDUCTIVE DEVICE HAVING A MAGNETIC MATERIAL CORE AND A FIRST WINDING AND A SECOND WINDING, SAID FIRST AND SECOND WINDINGS BEING MAGNETICALLY COUPLED TO SAID CORE, A CURRENT PATH INTERCONNECTING SAID PAIR OF INPUT TERMINALS TO SAID PAIR OF OUTPUT TERMINALS AND INCLUDING SAID SWITCH AND SAID FIRST WINDING, SAID CORE BEING PROPORTIONED TO SATURATE WITHIN THE OPERATING RANGE OF CURRENT FLOW THROUGH SAID PATH, AN ASYMMETRIC CURRENT CONTROLLING DEVICE, AND MEANS CONNECTING SAID ASYMMETRIC DEVICE IN SERIES WITH SAID SECOND WINDING TO PROVIDE A FIRST CIRCUIT, AND MEANS CONNECTING SAID FIRST CIRCUIT IN SERIES CIRCUITG WITH SAID OUTPUT TERMINALS AND SAID FIRST WINDING.
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) | 1968-06-14 | 1968-12-14 | 1969-06-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-06-14 | 1972-12-14 | 1973-06-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-06-14 | 1976-12-14 | 1977-06-15 | $7700.00 | Window Closed / Lapsed |