3815423

Information

• Patent Grant
• 3815423

• References
• Source

• Patent Number

  3,815,423

• Date Filed

  Not available

• Date Issued

  Tuesday, June 11, 1974
  50 years ago

• CPC

  • G01C5/04 - Hydrostatic levelling
  • G01L7/084 - with mechanical transmitting or indicating means
  • Y10S37/906 - Visual aids and indicators for excavating tool

• US Classifications

  • 073 - Measuring and testing
  • 037 - Excavating