1781644

Information

• Patent Grant
• 1781644

• References
• Source

• Patent Number

  1,781,644

• Date Filed

  Not available

• Date Issued

  Tuesday, November 11, 1930
  93 years ago

• CPC

  • B65G63/067 - for bulk material

• US Classifications

  • 414 - Material or article handling
  • 134 - Cleaning and liquid contact with solids
  • 198 - Conveyors: power-driven
  • 210 - Liquid purification or separation