3838540

Information

• Patent Grant
• 3838540

• References
• Source

• Patent Number

  3,838,540

• Date Filed

  Not available

• Date Issued

  Tuesday, October 1, 1974
  50 years ago

• CPC

  • B23Q1/48 - with sliding pairs and rotating pairs
  • B24B3/30 - and rotating the drill about its own axis

• US Classifications

  • 451 - Abrading