507212

Information

• Patent Grant
• 507212

• References
• Source

• Patent Number

  507,212

• Date Filed

  Not available

• Date Issued

  Tuesday, October 24, 1893
  132 years ago

• CPC

  • B24B57/00 - Devices for feeding, applying, grading or recovering grinding, polishing or lapping agents
  • Y10S29/076 - Movable liquid-carrying trough
  • Y10S29/082 - Air current generated by cutter

• US Classifications

  • 451 - Abrading
  • 029 - Metal working