Patent US3659042A successfully refreshed from Google Patents.
US3252014A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Switching device with arc suppressor
Assignee: Individual
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Filing: 1963-05-17
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Granted: 1966-05-17
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Expires: 1983-05-17
Abstract
No abstract record available.
Inventors
- 👤 Gerhard W Seulen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 17:05
CPC Classifications
H; H01; H01H; H01H9/00; H01H9/54
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
95 words
A DEVICE FOR DISCONNECTING A HIGHLY REACTIVE COMPONENT FROM ACROSS A SOURCE OF ALTERNATING CURRENT COMPRISING A FIRST SWITCH MEANS IN ELECTRICAL SERIES WITH SAID COMPONENT, AN ARC SUPPRESSOR CIRCUIT SHUNTED AROUND SAID COMPONENT, A BALANCING REACTANCE ELEMENT IN SAID SHUNT CIRCUIT, SAID BALANCING ELEMENT HAVING A REACTANCE OF SUCH A VALUE TO SUBSTANTIALLY BALANCE THE REACTANCE OF SAID COMPONENT, A SECOND SWITCH MEANS IN SAID SHUNT CIRCUIT AND MEANS FOR CLOSING SAID SECOND SWITCH MEANS AT LEAST IMMEDIATELY AFTER SAID FIRST SWITCH MEANS IS OPENED TO SUPPRESS AN ARC AT SAID FIRST SWITCH MEANS
Claim 2
Independent Claim
95 words
A DEVICE FOR DISCONNECTING A HIGHLY REACTIVE COMPONENT FROM ACROSS A SOURCE OF ALTERNATING CURRENT COMPRISING A FIRST SWITCH MEANS IN ELECTRICAL SERIES WITH SAID COMPONENT, AN ARC SUPPRESSOR CIRCUIT SHUNTED AROUND SAID COMPONENT, A BALANCING REACTANCE ELEMENT IN SAID SHUNT CIRCUIT, SAID BALANCING ELEMENT HAVING A REACTANCE OF SUCH A VALUE TO SUBSTANTIALLY BALANCE THE REACTANCE OF SAID COMPONENT, A SECOND SWITCH MEANS IN SAID SHUNT CIRCUIT AND MEANS FOR CLOSING SAID SECOND SWITCH MEANS AT LEAST IMMEDIATELY AFTER SAID FIRST SWITCH MEANS IS OPENED TO SUPPRESS AN ARC AT SAID FIRST SWITCH MEANS
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) | 1969-05-16 | 1969-11-15 | 1970-05-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-05-16 | 1973-11-15 | 1974-05-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-05-16 | 1977-11-15 | 1978-05-17 | $7700.00 | Window Closed / Lapsed |