3678885

Information

• Patent Grant
• 3678885

• References
• Source

• Patent Number

  3,678,885

• Date Filed

  Not available

• Date Issued

  Tuesday, July 25, 1972
  52 years ago

• CPC

  • G01C9/12 - by using a single pendulum
  • E02F3/841 - Devices for controlling and guiding the whole machine
  • Y10S37/906 - Visual aids and indicators for excavating tool
  • Y10S116/13 - Inclinometers for earth working devices

• US Classifications

  • 033 - Geometrical instruments
  • 037 - Excavating
  • 116 - Signals and indicators
  • 172 - Earth working