515092

Information

• Patent Grant
• 515092

• References
• Source

• Patent Number

  515,092

• Date Filed

  Not available

• Date Issued

  Tuesday, February 20, 1894
  131 years ago

• CPC

  • B24B9/16 - of diamonds of jewels or the like Diamond grinders' dops Dop holders or tongs
  • Y10S29/071 - Complete immersion of cutter

• US Classifications

  • 451 - Abrading
  • 029 - Metal working