2564210

Information

• Patent Grant
• 2564210

• References
• Source

• Patent Number

  2,564,210

• Date Filed

  Not available

• Date Issued

  Tuesday, August 14, 1951
  73 years ago

• CPC

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

• US Classifications

  • 029 - Metal working
  • 351 - Optics: eye examining, vision testing and correcting