Patent US3187159A successfully refreshed from Google Patents.
US3187159A
Expired / Lapsed
US
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Consumable electrode consumption indicator
Assignee: Allegheny Ludlum Steel Corp
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Filing: 1964-03-23
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Granted: 1965-06-01
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Expires: 1984-03-23
Abstract
No abstract record available.
Inventors
- 👤 Thaddeus F Kilian
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 05:26
CPC Classifications
H; H05; H05B; H05B7/00; H05B7/02; H05B7/10; H05B7/109; C; C22; C22B; C22B4/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
185 words
IN A CONSUMABLE ELECTRODE FURNACE HAVING AN ENCLOSED MELTING CHAMBER, AN ELONGATED ELECTRODE SECURED WITHIN SAID CHAMBER BY A CLAMP DEVICE TO A MOVABLE RAM WHICH EXTENDS OUTWARDLY OF SAID CHAMBER, SAID ELECTRODE BEING DISPOSED TO BE CONSUMED TOWARD SAID CLAMP AND MOVED DOWNWARDLY BY SAID RAM AS SAID ELECTRODE IS CONSUMED, THE COMBINATION OF, A SIGNALLING DEVICE DISPOSED EXTERNAL OF SAID FURNACE, A WIRE MEANS HAVING ONE END THEREOF ELECTRICALLY CONNECTED AT A PREDETERMINED POSITION ALONG SAID ELECTRODE RELATIVE TO SAID CLAMP AND THE OTHER END CARRIED BY SAID FURNACE, SAID WIRE MEANS HAVING A SUPPLY LENGTH THEREOF DISPOSED TO BE EXTENDED AS THE ELECTRODE MOVES DOWNWARDLY IN SAID FURNACE TO PREVENT BREAKAGE OF SAID WIRE MEANS BY DOWNWARD MOVEMENT OF SAID RAM AND ELECTRODE, MEANS FOR ELECTRICALLY CONNECTING SAID RAM AND SAID WIRE MEANS TO AN EXTERNAL SOURCE OF ELECTRICAL SUPPLY TO PROVIDE FOR THE FLOW OF A SIGNAL CURRENT THROUGH SAID WIRE MEANS, ELECTRODE, CLAMP AND RAM, SAID SIGNALLING DEVICE BEING CONNECTED IN CIRCUIT RELATION WITH SAID WIRE MEANS, SAID ONE END CONNECTION OF SAID WIRE MEANS TO SAID ELECTRODE AND SAID
Claim 2
Dependent Claim
185 words
IN A CONSUMABLE ELECTRODE FURNACE HAVING AN ENCLOSED MELTING CHAMBER, AN ELONGATED ELECTRODE SECURED WITHIN SAID CHAMBER BY A CLAMP DEVICE TO A MOVABLE RAM WHICH EXTENDS OUTWARDLY OF SAID CHAMBER, SAID ELECTRODE BEING DISPOSED TO BE CONSUMED TOWARD SAID CLAMP AND MOVED DOWNWARDLY BY SAID RAM AS SAID ELECTRODE IS CONSUMED, THE COMBINATION OF, A SIGNALLING DEVICE DISPOSED EXTERNAL OF SAID FURNACE, A WIRE MEANS HAVING ONE END THEREOF ELECTRICALLY CONNECTED AT A PREDETERMINED POSITION ALONG SAID ELECTRODE RELATIVE TO SAID CLAMP AND THE OTHER END CARRIED BY SAID FURNACE, SAID WIRE MEANS HAVING A SUPPLY LENGTH THEREOF DISPOSED TO BE EXTENDED AS THE ELECTRODE MOVES DOWNWARDLY IN SAID FURNACE TO PREVENT BREAKAGE OF SAID WIRE MEANS BY DOWNWARD MOVEMENT OF SAID RAM AND ELECTRODE, MEANS FOR ELECTRICALLY CONNECTING SAID RAM AND SAID WIRE MEANS TO AN EXTERNAL SOURCE OF ELECTRICAL SUPPLY TO PROVIDE FOR THE FLOW OF A SIGNAL CURRENT THROUGH SAID WIRE MEANS, ELECTRODE, CLAMP AND RAM, SAID SIGNALLING DEVICE BEING CONNECTED IN CIRCUIT RELATION WITH SAID WIRE MEANS, SAID ONE END CONNECTION OF SAID WIRE MEANS TO SAID ELECTRODE AND SAID
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) | 1968-05-31 | 1968-11-30 | 1969-06-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-05-31 | 1972-11-30 | 1973-06-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-05-31 | 1976-11-30 | 1977-06-01 | $7700.00 | Window Closed / Lapsed |