1948392

Information

• Patent Grant
• 1948392

• References
• Source

• Patent Number

  1,948,392

• Date Filed

  Not available

• Date Issued

  Tuesday, February 20, 1934
  90 years ago

• CPC

  • B24B5/28 - for grinding outer surfaces concentrically to bores, involving additional centering means

• US Classifications

  • 451 - Abrading