3828479

Information

• Patent Grant
• 3828479

• References
• Source

• Patent Number

  3,828,479

• Date Filed

  Not available

• Date Issued

  Tuesday, August 13, 1974
  50 years ago

• CPC

  • B24B27/0641 - for grinding holes
  • B23B39/167 - having belt and chain transmissions
  • B23B41/00 - Boring or drilling machines or devices specially adapted for particular work Accessories specially adapted therefor
  • B28D1/041 - with cylinder saws
  • Y10T408/3788 - Plural pairs of coaxial, opposed tools

• US Classifications

  • 451 - Abrading
  • 125 - Stone working
  • 408 - Cutting by use of rotating axially moving tool