1777688

Information

• Patent Grant
• 1777688

• References
• Source

• Patent Number

  1,777,688

• Date Filed

  Not available

• Date Issued

  Tuesday, October 7, 1930
  94 years ago

• CPC

  • E02F5/022 - with tools digging laterally with respect to the frame

• US Classifications

  • 172 - Earth working