2640349

Information

• Patent Grant
• 2640349

• References
• Source

• Patent Number

  2,640,349

• Date Filed

  Not available

• Date Issued

  Tuesday, June 2, 1953
  71 years ago

• CPC

  • G04D7/1264 - for complete clockworks

• US Classifications

  • 073 - Measuring and testing
  • 968 - Horology