Patent US3196308A successfully refreshed from Google Patents.
US3196308A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrode consumption indicator
Assignee: Titanium Metals Corp
•
Filing: 1963-02-18
•
Granted: 1965-07-20
•
Expires: 1983-02-18
Abstract
No abstract record available.
Inventors
- 👤 Koncewicz Al
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 13:54
CPC Classifications
H; H05; H05B; H05B7/00; H05B7/02; H05B7/10; H05B7/109
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
121 words
APPARATUS FOR INDICATING THE EXTENT OF CONSUMPTION OF AN ELECTRODE IN A CONSUMABLE ELECTRODE ARC FURNACE WHICH COMPRISES; (A) A WIRE HAVING ITS LOWER END ATTACHED TO SAID ELECTRODE AT A POINT AT WHICH CONSUMPTION INDICATION IS DESIRED, SAID WIRE AND ITS ATTACHMENT OT SAID ELECTRODE BEING OF MATERIAL HAVING A MELTING POINT AT LEAST AS HIGH AS THE MATERIAL OF SAID ELECTRODE, (B) MEANS FOR APPLYING TENSION TO SAID WIRE, (C) A SWITCH RESPONSIVE TO RELIEF OF TENSION APPLIED TO SAID WIRE WHEN THE ATTACHMENT OF THE LOWER END OD SAID WIRE TO SAID ELECTRODE IS DESTROYED BY CONSUMPTION OF SAID ELECTRODE TO THE WIRE ATTACHMENT POINT, AND, (D) INDICATING MEANS ELECTRICALLY CONNECTED TO AND CONTROLLED BY SAID SWITCH .
Claim 2
Dependent Claim
121 words
APPARATUS FOR INDICATING THE EXTENT OF CONSUMPTION OF AN ELECTRODE IN A CONSUMABLE ELECTRODE ARC FURNACE WHICH COMPRISES; (A) A WIRE HAVING ITS LOWER END ATTACHED TO SAID ELECTRODE AT A POINT AT WHICH CONSUMPTION INDICATION IS DESIRED, SAID WIRE AND ITS ATTACHMENT OT SAID ELECTRODE BEING OF MATERIAL HAVING A MELTING POINT AT LEAST AS HIGH AS THE MATERIAL OF SAID ELECTRODE, (B) MEANS FOR APPLYING TENSION TO SAID WIRE, (C) A SWITCH RESPONSIVE TO RELIEF OF TENSION APPLIED TO SAID WIRE WHEN THE ATTACHMENT OF THE LOWER END OD SAID WIRE TO SAID ELECTRODE IS DESTROYED BY CONSUMPTION OF SAID ELECTRODE TO THE WIRE ATTACHMENT POINT, AND, (D) INDICATING MEANS ELECTRICALLY CONNECTED TO AND CONTROLLED BY SAID SWITCH .
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) | 1968-07-19 | 1969-01-18 | 1969-07-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-19 | 1973-01-18 | 1973-07-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-19 | 1977-01-18 | 1977-07-20 | $7700.00 | Window Closed / Lapsed |