1669273

Information

• Patent Grant
• 1669273

• References
• Source

• Patent Number

  1,669,273

• Date Filed

  Not available

• Date Issued

  Tuesday, May 8, 1928
  96 years ago

• CPC

  • B23B51/0426 - with centering devices
  • Y10T408/5605 - Recession at tool-axis
  • Y10T408/895 - Having axial, core-receiving central portion
  • Y10T408/896 - Having product-receiving chamber

• US Classifications

  • 408 - Cutting by use of rotating axially moving tool