465478

Information

• Patent Grant
• 465478

• References
• Source

• Patent Number

  465,478

• Date Filed

  Not available

• Date Issued

  Tuesday, December 22, 1891
  133 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
  • Y10S29/101 - Pan, bed, or table

• US Classifications

  • 451 - Abrading
  • 029 - Metal working