3360025

Information

• Patent Grant
• 3360025

• References
• Source

• Patent Number

  3,360,025

• Date Filed

  Not available

• Date Issued

  Tuesday, December 26, 1967
  57 years ago

• CPC

  • B23B51/0426 - with centering devices
  • B23B51/0473 - details about the connection between the driven shaft and the tubular cutting part
  • B23B2251/247 - Drilling tools having a working portion at both ends of the shank
  • Y10T408/895 - Having axial, core-receiving central portion
  • Y10T408/906 - Axially spaced
  • Y10T408/95 - with tool-retaining means

• US Classifications

  • 408 - Cutting by use of rotating axially moving tool