1690544

Information

• Patent Grant
• 1690544

• References
• Source

• Patent Number

  1,690,544

• Date Filed

  Not available

• Date Issued

  Tuesday, November 6, 1928
  96 years ago

• CPC

  • B28D1/122 - with exchangeable cutter bits or cutter segments
  • B28B11/22 - for cleaning

• US Classifications

  • 125 - Stone working