377201

Information

• Patent Grant
• 377201

• References
• Source

• Patent Number

  377,201

• Date Filed

  Not available

• Date Issued

  Tuesday, January 31, 1888
  137 years ago

• CPC

  • B24B9/16 - of diamonds of jewels or the like Diamond grinders' dops Dop holders or tongs
  • Y10S29/072 - Dip or splash supply

• US Classifications

  • 451 - Abrading
  • 029 - Metal working