3322257

Information

• Patent Grant
• 3322257

• References
• Source

• Patent Number

  3,322,257

• Date Filed

  Not available

• Date Issued

  Tuesday, May 30, 1967
  57 years ago

• CPC

  • B28C7/167 - by means of a screw conveyor
  • B60P1/40 - using screw conveyors thereon

• US Classifications

  • 198 - Conveyors: power-driven
  • 414 - Material or article handling