1742040

Information

• Patent Grant
• 1742040

• References
• Source

• Patent Number

  1,742,040

• Date Filed

  Not available

• Date Issued

  Tuesday, December 31, 1929
  94 years ago

• CPC

  • B23B51/009 - Stepped drills
  • B23B2260/0445 - Overload clutches
  • Y10T408/675 - including means to move Tool along tool-axis

• US Classifications

  • 173 - Tool driving or impacting
  • 081 - Tools
  • 408 - Cutting by use of rotating axially moving tool