1560312

Information

• Patent Grant
• 1560312

• References
• Source

• Patent Number

  1,560,312

• Date Filed

  Not available

• Date Issued

  Tuesday, November 3, 1925
  99 years ago

• CPC

  • B24C1/02 - for sharpening or cleaning cutting tools

• US Classifications

  • 451 - Abrading