US3156754A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Arrangement for balancing the power transmission line to a polyhase arc furnace
Assignee: Licentia Patent Verwaltungs GmbH
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Filing: 1961-11-08
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Granted: 1964-11-10
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Expires: 1981-11-08
Abstract
No abstract record available.
Inventors
- 👤 Duchting Werner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 11:14
CPC Classifications
H; H05; H05B; H05B7/00; H05B7/02; H05B7/11; H05B7/005
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
55 words
AN ARRANGEMENT FOR BALANCING THE POWER TRANSMISSION LINE OF A POLYPHASE ARC FURNACE, AND COMPRISING AN ARC FURNACE HAVING THREE ELECTRODES THEREIN, A 3-PHASE POWER TRANSMISSION LINE HAVING THREE CONDUCTORS WITH SAID CONDUCTORS BEING RESPECTIVELY CONNECTED TO SAID FURNACE ELECTRODES, AND ADDITIONAL BALANCING IMPEDANCES IN SAID POWER TRANSMISSION LINE WHICH IMPEDANCES HAVE THE FOLLOWING VALUE
Claim 2
Dependent Claim
55 words
AN ARRANGEMENT FOR BALANCING THE POWER TRANSMISSION LINE OF A POLYPHASE ARC FURNACE, AND COMPRISING AN ARC FURNACE HAVING THREE ELECTRODES THEREIN, A 3-PHASE POWER TRANSMISSION LINE HAVING THREE CONDUCTORS WITH SAID CONDUCTORS BEING RESPECTIVELY CONNECTED TO SAID FURNACE ELECTRODES, AND ADDITIONAL BALANCING IMPEDANCES IN SAID POWER TRANSMISSION LINE WHICH IMPEDANCES HAVE THE FOLLOWING VALUE
References Cited (Backward Citations)
US2758144A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-11-10 | 1968-05-11 | 1968-11-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-11-10 | 1972-05-11 | 1972-11-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-11-10 | 1976-05-11 | 1976-11-10 | $7700.00 | Window Closed / Lapsed |