2874789

Information

• Patent Grant
• 2874789

• References
• Source

• Patent Number

  2,874,789

• Date Filed

  Not available

• Date Issued

  Tuesday, February 24, 1959
  65 years ago

• CPC

  • A01B63/111 - regulating working depth of implements
  • Y10S37/906 - Visual aids and indicators for excavating tool
  • Y10S116/13 - Inclinometers for earth working devices

• US Classifications

  • 172 - Earth working
  • 037 - Excavating
  • 073 - Measuring and testing
  • 116 - Signals and indicators