2185843

Information

• Patent Grant
• 2185843

• References
• Source

• Patent Number

  2,185,843

• Date Filed

  Not available

• Date Issued

  Tuesday, January 2, 1940
  86 years ago

• CPC

  • G04D7/082 - for balancing

• US Classifications

  • 073 - Measuring and testing
  • 033 - Geometrical instruments
  • 968 - Horology