2589401

Information

• Patent Grant
• 2589401

• References
• Source

• Patent Number

  2,589,401

• Date Filed

  Not available

• Date Issued

  Tuesday, March 18, 1952
  73 years ago

• CPC

  • G04D7/02 - for mainsprings
  • G01L5/0042 - applying a torque

• US Classifications

  • 073 - Measuring and testing
  • 968 - Horology