US3211929A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Transient suppressor circuit
Assignee: Westinghouse Electric Corp
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Filing: 1963-04-26
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Granted: 1965-10-12
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Expires: 1983-04-26
Abstract
No abstract record available.
Inventors
- 👤 Frank J Prines
- 👤 William H Beck
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 19:03
CPC Classifications
H; H03; H03K; H03K17/00; H03K17/51; H03K17/56; H03K17/72; H03K17/725; H02; H02H; H02H9/00; H02H9/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
190 words
AN ELECTRIC CIRCUIT FOR SUPPRESSING TRANSIENT VOLTAGES IN AN ALTERNATING POTENTIAL SYSTEM COMPRISING FIRST MEANS HAVING INPUT AND OUTPUT TERMINALS, THE INPUT TERMINALS OF SAID FIRST MEANS BEING CONNECTED IN CIRCUIT RELATION WITH SAID ALTERNATING POTENTIAL SYSTEM, THE OUTPUT TERMINALS OF SAID FIRST MEANS HAVING THE SAME POLARITY REGARDLESS OF THE POLARITY OF THE ALTERNATING POTENTIAL SYSTEM, SECOND MEANS HAVING SWITCHING CHARACTERISTICS, SAID SECOND MEANS BEING CONNECTED IN CIRCUIT RELATION WITH THE OUTPUT TERMINALS OF SAID FIRST MEANS, THIRD MEANS HAVING ELECTRICAL ENERGY STORAGE CHARACTERISTICS, SAID THIRD MEANS BEING CONNECTED IN CIRCUIT RELATION WITH THE OUTPUT TERMINALS OF SAID FIRST MEANS AND CHARGED TO A CERTAIN POTENTIAL, FOURTH MEANS, SAID FOURTH MEANS BEING CONNECTED IN SERIES CIRCUIT RELATION WITH SAID SECOND MEANS, FIFTH MEANS, SAID FIFTH MEANS CAUSING SAID SECOND MEANS TO SWITCH TO A CONDUCTING STATE UPON THE OCCURENCE OF A PREDETERMINED ELECTRICAL CONDITION, SAID THIRD MEANS DISCHARGING THROUGH SAID SECOND AND FOURTH MEANS WHEN SAID SECOND MEANS SWITCHES TO A CONDUCTING STATE, SAID FOURTH MEANS CONTROLLING THE DISCHARGE RATE OF SAID THIRD MEANS, SAID SECOND MEANS REMAINING IN A CONDUCTING STATE UNTIL SAID THIRD MEANS HAS SUBSTANTIALLY DISCHARGED.
Claim 2
Dependent Claim
190 words
AN ELECTRIC CIRCUIT FOR SUPPRESSING TRANSIENT VOLTAGES IN AN ALTERNATING POTENTIAL SYSTEM COMPRISING FIRST MEANS HAVING INPUT AND OUTPUT TERMINALS, THE INPUT TERMINALS OF SAID FIRST MEANS BEING CONNECTED IN CIRCUIT RELATION WITH SAID ALTERNATING POTENTIAL SYSTEM, THE OUTPUT TERMINALS OF SAID FIRST MEANS HAVING THE SAME POLARITY REGARDLESS OF THE POLARITY OF THE ALTERNATING POTENTIAL SYSTEM, SECOND MEANS HAVING SWITCHING CHARACTERISTICS, SAID SECOND MEANS BEING CONNECTED IN CIRCUIT RELATION WITH THE OUTPUT TERMINALS OF SAID FIRST MEANS, THIRD MEANS HAVING ELECTRICAL ENERGY STORAGE CHARACTERISTICS, SAID THIRD MEANS BEING CONNECTED IN CIRCUIT RELATION WITH THE OUTPUT TERMINALS OF SAID FIRST MEANS AND CHARGED TO A CERTAIN POTENTIAL, FOURTH MEANS, SAID FOURTH MEANS BEING CONNECTED IN SERIES CIRCUIT RELATION WITH SAID SECOND MEANS, FIFTH MEANS, SAID FIFTH MEANS CAUSING SAID SECOND MEANS TO SWITCH TO A CONDUCTING STATE UPON THE OCCURENCE OF A PREDETERMINED ELECTRICAL CONDITION, SAID THIRD MEANS DISCHARGING THROUGH SAID SECOND AND FOURTH MEANS WHEN SAID SECOND MEANS SWITCHES TO A CONDUCTING STATE, SAID FOURTH MEANS CONTROLLING THE DISCHARGE RATE OF SAID THIRD MEANS, SAID SECOND MEANS REMAINING IN A CONDUCTING STATE UNTIL SAID THIRD MEANS HAS SUBSTANTIALLY DISCHARGED.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-10-11 | 1969-04-12 | 1969-10-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-11 | 1973-04-12 | 1973-10-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-11 | 1977-04-12 | 1977-10-12 | $7700.00 | Window Closed / Lapsed |