504387

Information

• Patent Grant
• 504387

• References
• Source

• Patent Number

  504,387

• Date Filed

  Not available

• Date Issued

  Tuesday, September 5, 1893
  132 years ago

• CPC

  • B24B9/16 - of diamonds of jewels or the like Diamond grinders' dops Dop holders or tongs
  • Y10S29/074 - Partial immersion of cutter
  • Y10S29/101 - Pan, bed, or table

• US Classifications

  • 451 - Abrading
  • 029 - Metal working