2183655

Information

• Patent Grant
• 2183655

• References
• Source

• Patent Number

  2,183,655

• Date Filed

  Not available

• Date Issued

  Tuesday, December 19, 1939
  85 years ago

• CPC

  • G04D7/1285 - whereby the adjustment device works on the mainspring

• US Classifications

  • 073 - Measuring and testing
  • 331 - Oscillators
  • 968 - Horology