3921829

Information

• Patent Grant
• 3921829

• References
• Source

• Patent Number

  3,921,829

• Date Filed

  Not available

• Date Issued

  Tuesday, November 25, 1975
  50 years ago

• CPC

  • A01F25/2009 - Top unloading units for tower silos
  • B65G65/365 - comprising a vertical passage located inside the container
  • B65G69/0433 - with screw conveyors

• US Classifications

  • 414 - Material or article handling