3420326

Information

• Patent Grant
• 3420326

• References
• Source

• Patent Number

  3,420,326

• Date Filed

  Not available

• Date Issued

  Tuesday, January 7, 1969
  56 years ago

• CPC

  • B60F3/0023 - comprising screw-type ground-engaging means
  • B62D57/036 - screw type

• US Classifications

  • 180 - Motor vehicles
  • 037 - Excavating