Patent US3450867A successfully refreshed from Google Patents.
US3450867A
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Estimated tap temperature calculator for basic oxygen furnace
Assignee: Leeds and Northrup Co
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Filing: 1966-03-14
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Granted: 1969-06-17
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Expires: 1986-03-14
Abstract
No abstract record available.
Inventors
- 👤 Bernard Blum
- 👤 John W Schwartzenberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:48
CPC Classifications
G; G06; G06G; G06G7/00; G06G7/48; G06G7/58; C; C21; C21C; C21C5/00; C21C5/28; C21C5/30; C21C5/42; C21C5/46; C21C5/4673; G01; G01K; G01K1/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
116 words
APPARATUS FOR COMPUTING AN ESTIMATED TAP TEMPERATURE FOR THE BATH OF A BASIC OXYGEN FURNACEN COMPRISING MEANS FOR PRODUCING A BATH TEMPERATURE SIGNAL REPRESENTATIVE OF THE EXISTING BATH TEMPERATURE, MEANS FOR PRODUCING A TAP CARBON SIGNAL REPRESENTATIVE OF THE TEMPERATURE CHANGE ASSOCIATED WITH THE DESIRED TAP CARBON CONTENT, MEANS FOR PRODUCING A BATH CARBON SIGNAL REPRESENTATIVE OF THE TEMPERATURE CHANGE ASSOCIATED WITH THE EXISTING BATH CARBON CONTENT, AND MEANS FOR PRODUCING FROM SAID TEMPERATURE SIGNAL, SAID TAP CARBON SIGNAL, AND SAID BATH CARBON SIGNAL A COMPOSITE SIGNAL REPRESENTATIVE OF THE ESTIMATED TAP TEMPERATURE, SAID COMPOSITE SIGNAL BEING EQUAL TO THE SUM OF SAID BATH TEMPERATURE SIGNAL AND SAID BATH CARBON SIGNAL MINUS SAID TAP CARBON SIGNAL.
Claim 2
Dependent Claim
116 words
APPARATUS FOR COMPUTING AN ESTIMATED TAP TEMPERATURE FOR THE BATH OF A BASIC OXYGEN FURNACEN COMPRISING MEANS FOR PRODUCING A BATH TEMPERATURE SIGNAL REPRESENTATIVE OF THE EXISTING BATH TEMPERATURE, MEANS FOR PRODUCING A TAP CARBON SIGNAL REPRESENTATIVE OF THE TEMPERATURE CHANGE ASSOCIATED WITH THE DESIRED TAP CARBON CONTENT, MEANS FOR PRODUCING A BATH CARBON SIGNAL REPRESENTATIVE OF THE TEMPERATURE CHANGE ASSOCIATED WITH THE EXISTING BATH CARBON CONTENT, AND MEANS FOR PRODUCING FROM SAID TEMPERATURE SIGNAL, SAID TAP CARBON SIGNAL, AND SAID BATH CARBON SIGNAL A COMPOSITE SIGNAL REPRESENTATIVE OF THE ESTIMATED TAP TEMPERATURE, SAID COMPOSITE SIGNAL BEING EQUAL TO THE SUM OF SAID BATH TEMPERATURE SIGNAL AND SAID BATH CARBON SIGNAL MINUS SAID TAP CARBON SIGNAL.
References Cited (Backward Citations)
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US3218158A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-06-16 | 1972-12-16 | 1973-06-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-06-16 | 1976-12-16 | 1977-06-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-06-16 | 1980-12-16 | 1981-06-17 | $7700.00 | Window Closed / Lapsed |