3220574

Information

• Patent Grant
• 3220574

• References
• Source

• Patent Number

  3,220,574

• Date Filed

  Not available

• Date Issued

  Tuesday, November 30, 1965
  59 years ago

• CPC

  • F27D99/00 - Subject matter not provided for in other groups of this subclass
  • F27B3/10 - Details, accessories, or equipment peculiar to hearth-type furnaces
  • F27D3/159 - for retaining slag during the pouring of the metal or retaining metal during the pouring of the slag
  • F27D2003/167 - the fluid being a neutral gas

• US Classifications

  • 414 - Material or article handling
  • 198 - Conveyors: power-driven