687025

Information

• Patent Grant
• 687025

• References
• Source

• Patent Number

  687,025

• Date Filed

  Not available

• Date Issued

  Tuesday, November 19, 1901
  123 years ago

• CPC

  • B23B49/06 - Devices for drilling holes in brake bands or brake linings
  • Y10T408/26 - with means to condition tool
  • Y10T408/353 - Crystalline cutter
  • Y10T408/6793 - Screw coaxial with Tool

• US Classifications

  • 408 - Cutting by use of rotating axially moving tool