1870709

Information

• Patent Grant
• 1870709

• References
• Source

• Patent Number

  1,870,709

• Date Filed

  Not available

• Date Issued

  Tuesday, August 9, 1932
  93 years ago

• CPC

  • B23F13/04 - by grinding
  • Y10S451/90 - Gear abrader

• US Classifications

  • 451 - Abrading