3853421

Information

• Patent Grant
• 3853421

• References
• Source

• Patent Number

  3,853,421

• Date Filed

  Not available

• Date Issued

  Tuesday, December 10, 1974
  50 years ago

• CPC

  • B23B41/00 - Boring or drilling machines or devices specially adapted for particular work Accessories specially adapted therefor
  • Y10T83/8725 - Including movable, tool protecting, cushioning sheet
  • Y10T408/3844 - with tool-opposing, work-engaging surface
  • Y10T408/561 - Having tool-opposing, work-engaging surface

• US Classifications

  • 408 - Cutting by use of rotating axially moving tool
  • 083 - Cutting