1856216

Information

• Patent Grant
• 1856216

• References
• Source

• Patent Number

  1,856,216

• Date Filed

  Not available

• Date Issued

  Tuesday, May 3, 1932
  92 years ago

• CPC

  • E02F5/06 - with digging elements mounted on an endless chain
  • A01B13/10 - Special implements for lifting subsoil layers
  • E02F5/12 - with equipment for back-filling trenches or ditches

• US Classifications

  • 037 - Excavating
  • 172 - Earth working