US3198986A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High voltage switching apparatus
Assignee: Joslyn Manufacturing and Supply Co
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Filing: 1962-07-12
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Granted: 1965-08-03
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Expires: 1982-07-12
Abstract
No abstract record available.
Inventors
- 👤 Eimer L Luehring
- 👤 Joseph D Hoffman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 04:07
CPC Classifications
H; H01; H01H; H01H33/00; H01H33/02; H01H33/59
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
100 words
FOR USE WITH HIGH VOLTAGE SWITCHING EQUIPMENT COMPRISING A PLURALITY OF "N" VACUUM INTERRUPTER UNITS ELECTRICALLY IN SERIES WITH ONE ANOTHER AND MECHANICALLY CONNECTED TO OPERATE SUBSTANTIALLY TOGETHER, A PLURALITY OF "N" DELIBERATELY PROVIDED CIRCUITS EACH COMPRISING A PATH IN SHUNT AROUND A DIFFERENT ONE OF SAID INTERRUPTERS FOR SUBSTANTIALLY DIVIDING VOLTAGE EQUALLY OVER THE INTERRUPTERS, AND AN ADDITIONAL PLURALITY OF "N" CIRCUITS EACH COMPRISING A PATH IN SHUNT AROUND A DIFFERENT ONE OF SAID INTERRUPTERS WITH SAID LAST MENTIONED PATHS EACH COMPRISING THE SERIES CIRCUIT OF A CURRENT LIMITING MEANS AND A PLURALITY OF AT LEAST TWO QUENCH GAPS.
Claim 2
Dependent Claim
100 words
FOR USE WITH HIGH VOLTAGE SWITCHING EQUIPMENT COMPRISING A PLURALITY OF "N" VACUUM INTERRUPTER UNITS ELECTRICALLY IN SERIES WITH ONE ANOTHER AND MECHANICALLY CONNECTED TO OPERATE SUBSTANTIALLY TOGETHER, A PLURALITY OF "N" DELIBERATELY PROVIDED CIRCUITS EACH COMPRISING A PATH IN SHUNT AROUND A DIFFERENT ONE OF SAID INTERRUPTERS FOR SUBSTANTIALLY DIVIDING VOLTAGE EQUALLY OVER THE INTERRUPTERS, AND AN ADDITIONAL PLURALITY OF "N" CIRCUITS EACH COMPRISING A PATH IN SHUNT AROUND A DIFFERENT ONE OF SAID INTERRUPTERS WITH SAID LAST MENTIONED PATHS EACH COMPRISING THE SERIES CIRCUIT OF A CURRENT LIMITING MEANS AND A PLURALITY OF AT LEAST TWO QUENCH GAPS.
References Cited (Backward Citations)
FR588204A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-08-02 | 1969-02-01 | 1969-08-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-02 | 1973-02-01 | 1973-08-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-02 | 1977-02-01 | 1977-08-03 | $7700.00 | Window Closed / Lapsed |