2262580

Information

• Patent Grant
• 2262580

• References
• Source

• Patent Number

  2,262,580

• Date Filed

  Not available

• Date Issued

  Tuesday, November 11, 1941
  83 years ago

• CPC

  • B65G33/00 - Screw or rotary spiral conveyors
  • B65G2812/0533 - with opposite threads

• US Classifications

  • 198 - Conveyors: power-driven
  • 056 - Harvesters