3721301

Information

• Patent Grant
• 3721301

• References
• Source

• Patent Number

  3,721,301

• Date Filed

  Not available

• Date Issued

  Tuesday, March 20, 1973
  51 years ago

• CPC

  • A01D25/048 - with endless chains
  • A01D17/00 - Digging machines with sieving and conveying mechanisms
  • Y10S56/15 - Condition responsive

• US Classifications

  • 171 - Unearthing plants or buried objects
  • 056 - Harvesters