581830

Information

• Patent Grant
• 581830

• References
• Source

• Patent Number

  581,830

• Date Filed

  Not available

• Date Issued

  Tuesday, May 4, 1897
  128 years ago

• CPC

  • B23B49/06 - Devices for drilling holes in brake bands or brake linings
  • Y10T408/26 - with means to condition tool
  • Y10T408/34 - Combined cutting means
  • Y10T408/378 - Coaxial, opposed tools
  • Y10T408/3809 - Successively acting on workpiece

• US Classifications

  • 408 - Cutting by use of rotating axially moving tool
  • 079 - Button making