3771347

Information

• Patent Grant
• 3771347

• References
• Source

• Patent Number

  3,771,347

• Date Filed

  Not available

• Date Issued

  Tuesday, November 13, 1973
  51 years ago

• CPC

  • G04D7/1207 - only for measuring
  • G04D7/1214 - for complete clockworks
  • G04D7/1264 - for complete clockworks

• US Classifications

  • 073 - Measuring and testing
  • 968 - Horology