2166687

Information

• Patent Grant
• 2166687

• References
• Source

• Patent Number

  2,166,687

• Date Filed

  Not available

• Date Issued

  Tuesday, July 18, 1939
  85 years ago

• CPC

  • G04B37/1486 - Arrangements for fixing to a bracelet
  • G04B37/0083 - for more than one clockwork
  • G04B47/005 - combined with a key

• US Classifications

  • 368 - Horology: time measuring systems or devices
  • 116 - Signals and indicators
  • 968 - Horology