3921794

Information

• Patent Grant
• 3921794

• References
• Source

• Patent Number

  3,921,794

• Date Filed

  Not available

• Date Issued

  Tuesday, November 25, 1975
  49 years ago

• CPC

  • B65G33/12 - with screws formed by straigt tubes or drums having internal threads, or by spiral or helical tubes

• US Classifications

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