3687435

Information

• Patent Grant
• 3687435

• References
• Source

• Patent Number

  3,687,435

• Date Filed

  Not available

• Date Issued

  Tuesday, August 29, 1972
  52 years ago

• CPC

  • C21C5/04 - Manufacture of hearth-furnace steel
  • C21C5/56 - Manufacture of steel by other methods

• US Classifications

  • 075 - Specialized metallurgical processes, compositions for use therein, consolidated metal powder compositions, and loose metal particulate mixtures
  • 065 - Glass manufacturing
  • 266 - Metallurgical apparatus