US3248607A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Protective arrangement for shunt capacitor bank
Assignee: McGraw Edison Co
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Filing: 1963-05-16
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Granted: 1966-04-26
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Expires: 1983-05-16
Abstract
No abstract record available.
Inventors
- 👤 Donald J Lemens
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 21:54
CPC Classifications
H; H02; H02H; H02H7/00; H02H7/16; H01; H01G; H01G4/00; H01G4/38
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
60 words
IN COMBINATION, A POLYPHASE SHUNT CAPACITOR BANK CONNECTED IN STAR TO A POLYPHASE POWER SYSTEM AND HAVING A FLOATING NEUTRAL, A PLURALITY OF SERIALLY ARRANGED CAPACITORS CONNECTED BETWEEN SAID NEUTRAL AND GROUND, AND MEANS FOR DETECTING UNBALANCE IN SAID CAPACITOR BANK CONNECTED ACROSS ONE OF SAID SERIALLY ARRANGED CAPACITORS, WHEREBY SAID UNBALANCE DETECTING MEANS MAY HAVE A LOW INSULATION LEVEL.
Claim 2
Dependent Claim
60 words
IN COMBINATION, A POLYPHASE SHUNT CAPACITOR BANK CONNECTED IN STAR TO A POLYPHASE POWER SYSTEM AND HAVING A FLOATING NEUTRAL, A PLURALITY OF SERIALLY ARRANGED CAPACITORS CONNECTED BETWEEN SAID NEUTRAL AND GROUND, AND MEANS FOR DETECTING UNBALANCE IN SAID CAPACITOR BANK CONNECTED ACROSS ONE OF SAID SERIALLY ARRANGED CAPACITORS, WHEREBY SAID UNBALANCE DETECTING MEANS MAY HAVE A LOW INSULATION LEVEL.
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) | 1969-04-25 | 1969-10-25 | 1970-04-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-25 | 1973-10-25 | 1974-04-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-25 | 1977-10-25 | 1978-04-26 | $7700.00 | Window Closed / Lapsed |