1870718

Information

• Patent Grant
• 1870718

• References
• Source

• Patent Number

  1,870,718

• Date Filed

  Not available

• Date Issued

  Tuesday, August 9, 1932
  92 years ago

• CPC

  • B24B3/22 - Relief cutting of taps or reamers

• US Classifications

  • 451 - Abrading