1406053

Information

• Patent Grant
• 1406053

• References
• Source

• Patent Number

  1,406,053

• Date Filed

  Not available

• Date Issued

  Tuesday, February 7, 1922
  103 years ago

• CPC

  • B21F45/002 - of frames for spectacles
  • Y10T29/31 - Spectacle-frame making

• US Classifications

  • 029 - Metal working