3685638

Information

• Patent Grant
• 3685638

• References
• Source

• Patent Number

  3,685,638

• Date Filed

  Not available

• Date Issued

  Tuesday, August 22, 1972
  52 years ago

• CPC

  • B65G33/00 - Screw or rotary spiral conveyors
  • B65G2812/0577 - for bulk material

• US Classifications

  • 198 - Conveyors: power-driven