3709357

Information

• Patent Grant
• 3709357

• References
• Source

• Patent Number

  3,709,357

• Date Filed

  Not available

• Date Issued

  Tuesday, January 9, 1973
  52 years ago

• CPC

  • F04D3/02 - of screw type
  • B65G33/00 - Screw or rotary spiral conveyors
  • E02B15/105 - Archimedian screws
  • B65G2812/0516 - characterised by the material

• US Classifications

  • 198 - Conveyors: power-driven