3575401

Information

• Patent Grant
• 3575401

• References
• Source

• Patent Number

  3,575,401

• Date Filed

  Not available

• Date Issued

  Tuesday, April 20, 1971
  53 years ago

• CPC

  • C21B9/12 - Hot-blast valves or slides for blast furnaces
  • C21B9/10 - Other details

• US Classifications

  • 266 - Metallurgical apparatus
  • 432 - Heating