US3229148A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Arc furnace electrode control
Assignee: McGraw Edison Co
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Filing: 1963-04-22
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Granted: 1966-01-11
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Expires: 1983-04-22
Abstract
No abstract record available.
Inventors
- 👤 James W Moore
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 09:27
CPC Classifications
H; H05; H05B; H05B7/00; H05B7/02; H05B7/10; H05B7/109; H05B7/144; H05B7/148; H05B7/152; Y; Y02; Y02P; Y02P10/00; Y02P10/25
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
123 words
IN AN ELECTRIC ARC FURNACE THE COMBINATION OF, A FURNACE BODY AND AN ELECTRODE, ELECTROMOTIVE MEANS REVERSIBLE ELECTRODE MEANS, ELECTRORESPONSIVE MEANS OPERABLE TO COUPLE SAID ELECTROMOTIVE MEANS TO SAID ELECTRODE MEANS TO A DEGREE FUNCTIONALLY INTERRELATED TO THE MAGNITUDE OF APPLIED ELECTRICAL SIGNALS TO EFFECT THE MOVEMENT OF SAID ELECTRODE RELATIVE TO SAID FURNACE BODY, THE SPEED OF SAID RELATIVE MOVEMENT BEING A FUNTION OF SAID DEGREE OF COUPLING, A FIRST ELECTRICAL SIGNAL SOURCE PROPORTIONAL TO THE CURRENT IN SAID ELECTRODE AND CONNECTED TO SAID ELECTRORESPONSIVE MEANS TO ENERGIZE THE SAME FOR MODIFYING SAID COUPLING IN AN ELECTRODE RAISING SENSE AND A SECOND ELECTRICAL SIGNAL SOURCE PROPORTIONAL TO THE VOLTAGE IN SAID ELECTRODE AND CONNECTED TO SAID COIL TO ENERGIZE THE LATTER FOR
Claim 2
Dependent Claim
123 words
IN AN ELECTRIC ARC FURNACE THE COMBINATION OF, A FURNACE BODY AND AN ELECTRODE, ELECTROMOTIVE MEANS REVERSIBLE ELECTRODE MEANS, ELECTRORESPONSIVE MEANS OPERABLE TO COUPLE SAID ELECTROMOTIVE MEANS TO SAID ELECTRODE MEANS TO A DEGREE FUNCTIONALLY INTERRELATED TO THE MAGNITUDE OF APPLIED ELECTRICAL SIGNALS TO EFFECT THE MOVEMENT OF SAID ELECTRODE RELATIVE TO SAID FURNACE BODY, THE SPEED OF SAID RELATIVE MOVEMENT BEING A FUNTION OF SAID DEGREE OF COUPLING, A FIRST ELECTRICAL SIGNAL SOURCE PROPORTIONAL TO THE CURRENT IN SAID ELECTRODE AND CONNECTED TO SAID ELECTRORESPONSIVE MEANS TO ENERGIZE THE SAME FOR MODIFYING SAID COUPLING IN AN ELECTRODE RAISING SENSE AND A SECOND ELECTRICAL SIGNAL SOURCE PROPORTIONAL TO THE VOLTAGE IN SAID ELECTRODE AND CONNECTED TO SAID COIL TO ENERGIZE THE LATTER FOR
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) | 1969-01-10 | 1969-07-12 | 1970-01-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-10 | 1973-07-12 | 1974-01-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-10 | 1977-07-12 | 1978-01-11 | $7700.00 | Window Closed / Lapsed |