3859877

Information

• Patent Grant
• 3859877

• References
• Source

• Patent Number

  3,859,877

• Date Filed

  Not available

• Date Issued

  Tuesday, January 14, 1975
  50 years ago

• CPC

  • E21B29/005 - with a radially-expansible cutter rotating inside the pipe
  • B23B29/02 - Boring bars
  • B23D21/14 - cutting inside the tube
  • Y10T82/16459 - Fluid means for relative tool actuation
  • Y10T82/16639 - Tool within work
  • Y10T82/16951 - Tool adjustment and/or stop

• US Classifications

  • 082 - Turning