2116922

Information

• Patent Grant
• 2116922

• References
• Source

• Patent Number

  2,116,922

• Date Filed

  Not available

• Date Issued

  Tuesday, May 10, 1938
  86 years ago

• CPC

  • B24B19/10 - for grinding pistons
  • B24B33/081 - for external surfaces

• US Classifications

  • 451 - Abrading