1621235

Information

• Patent Grant
• 1621235

• References
• Source

• Patent Number

  1,621,235

• Date Filed

  Not available

• Date Issued

  Tuesday, March 15, 1927
  98 years ago

• CPC

  • G04D3/0053 - for framework components
  • Y10T29/49579 - Watch or clock making

• US Classifications

  • 029 - Metal working
  • 368 - Horology: time measuring systems or devices
  • 968 - Horology