3816947

Information

• Patent Grant
• 3816947

• References
• Source

• Patent Number

  3,816,947

• Date Filed

  Not available

• Date Issued

  Tuesday, June 18, 1974
  50 years ago

• CPC

  • E02F3/08 - with digging elements on an endless chain
  • E02F5/145 - control and indicating devices
  • Y10S37/906 - Visual aids and indicators for excavating tool

• US Classifications

  • 037 - Excavating
  • 033 - Geometrical instruments