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US3559452A Expired / Lapsed US ⏱️ 0.0 years remaining

Thermal analysis of molten steel

Assignee: Republic Steel Corp
•
Filing: 1967-09-25
•
Granted: 1971-02-02
•
Expires: 1987-09-25
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Abstract

Abstract INSERTABLE PROBES FOR THERMAL ANAYLSIS OF MOLTEN METAL COMPRISE A SAMPLING CHAMBER CONSTITUTED OF CHILL METAL SUCH AS STEEL, ENCLOSING A THERMOCOUPLE AND MOUNTED FOR INSERTION INTO THE MOLTEN METAL, WITH SURROUNDING MATERIAL SUCH AS HEAVY CARDBOARD OR REFRACTORY, TO IMPEDE DESTRUCTION OF THE CHAMBER. PROTECTED CONDUCTORS FOR THE THERMOCOUPLE EXTEND OUT OF THE FURNACE TO THE TRANSLATING DEVICE. THE MOLTEN METAL ENTERS THE CHAMBER THROUGH AN OPENING AT OR NEAR THE TOP, THE CHILL METAL FUNCTIONING TO FREEZE THE RECEIVED SAMPLE. FOR SPECIAL RELIABILITY AN ENTRANCE CHAMBER, ALSO SURROUNDED WITH CHILL METAL AND CONTAINING THE KILL METAL, IS TRAVERSED BY THE ENTERING SAMPLE ENROUTE TO THE TEST CHAMBER BELOW.

Inventors

  • 👤 Gottfried W Perbix
  • 👤 Dale J Maczka
  • 👤 Cecil B Griffith
  • 👤 Pesi N Dastur

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-28 19:24
CPC Classifications
G; G01; G01N; G01N25/00; G01N25/02; G01N25/04; G01N33/00; G01N33/20; G01N33/202; G01N33/2022; G01N33/2025; Y; Y10; Y10S; Y10S73/00; Y10S73/09

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

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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) 1974-02-01 1974-08-03 1975-02-02 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1978-02-01 1978-08-03 1979-02-02 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1982-02-01 1982-08-03 1983-02-02 $7700.00 Window Closed / Lapsed

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