1661976

Information

• Patent Grant
• 1661976

• References
• Source

• Patent Number

  1,661,976

• Date Filed

  Not available

• Date Issued

  Tuesday, March 6, 1928
  97 years ago

• CPC

  • A01D17/02 - with conveyors arranged above the sieving device

• US Classifications

  • 171 - Unearthing plants or buried objects
  • 056 - Harvesters
  • 414 - Material or article handling