3680640

Information

• Patent Grant
• 3680640

• References
• Source

• Patent Number

  3,680,640

• Date Filed

  Not available

• Date Issued

  Tuesday, August 1, 1972
  52 years ago

• CPC

  • A01B3/58 - with two wheels
  • B62D51/065 - the vehicle baving only one wheel

• US Classifications

  • 172 - Earth working