1539890

Information

• Patent Grant
• 1539890

• References
• Source

• Patent Number

  1,539,890

• Date Filed

  Not available

• Date Issued

  Tuesday, June 2, 1925
  99 years ago

• CPC

  • G04D3/04 - Devices for placing bearing jewels, bearing sleeves, or the like in position
  • Y10T29/53639 - Means to stake watch or clock

• US Classifications

  • 029 - Metal working
  • 968 - Horology