2112120

Information

• Patent Grant
• 2112120

• References
• Source

• Patent Number

  2,112,120

• Date Filed

  Not available

• Date Issued

  Tuesday, March 22, 1938
  87 years ago

• CPC

  • B24B33/088 - for holes having a shape other than cylindrical

• US Classifications

  • 451 - Abrading