3921831

Information

• Patent Grant
• 3921831

• References
• Source

• Patent Number

  3,921,831

• Date Filed

  Not available

• Date Issued

  Tuesday, November 25, 1975
  49 years ago

• CPC

  • C21B7/20 - with appliances for distributing the burden
  • F27B1/20 - Arrangements of devices for charging
  • F27D3/0033 - charging of particulate material
  • F27D3/10 - Charging directly from hoppers or shoots
  • F27D2003/105 - using shutters

• US Classifications

  • 414 - Material or article handling
  • 193 - Conveyors, chutes, skids, guides, and ways
  • 222 - Dispensing