2725766

Information

• Patent Grant
• 2725766

• References
• Source

• Patent Number

  2,725,766

• Date Filed

  Not available

• Date Issued

  Tuesday, December 6, 1955
  69 years ago

• CPC

  • B24B15/00 - Machines or devices designed for grinding seat surfaces Accessories therefor
  • Y10T408/5583 - Engaging sides of opening being enlarged by Tool
  • Y10T408/5622 - Plural, coaxially opposing, work-engaging means
  • Y10T408/81 - Tool having crystalline cutting edge
  • Y10T408/895 - Having axial, core-receiving central portion

• US Classifications

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