1621110

Information

• Patent Grant
• 1621110

• References
• Source

• Patent Number

  1,621,110

• Date Filed

  Not available

• Date Issued

  Tuesday, March 15, 1927
  97 years ago

• CPC

  • G04B37/0016 - with folding cover or folding bottom (hinge without spring)

• US Classifications

  • 368 - Horology: time measuring systems or devices
  • 968 - Horology