2755721

Information

• Patent Grant
• 2755721

• References
• Source

• Patent Number

  2,755,721

• Date Filed

  Not available

• Date Issued

  Tuesday, July 24, 1956
  68 years ago

• CPC

  • A01B63/12 - operated by an electric motor
  • A01B63/114 - to achieve a constant working depth
  • Y10S60/911 - Fluid motor system incorporating electrical system

• US Classifications

  • 172 - Earth working
  • 037 - Excavating
  • 060 - Power plants