2806680

Information

• Patent Grant
• 2806680

• References
• Source

• Patent Number

  2,806,680

• Date Filed

  Not available

• Date Issued

  Tuesday, September 17, 1957
  67 years ago

• CPC

  • B01F7/00391 - Helices
  • B28C9/0481 - with means for loading the material from ground level to the mixing device

• US Classifications

  • 366 - Agitating
  • 198 - Conveyors: power-driven