3813972

Information

• Patent Grant
• 3813972

• References
• Source

• Patent Number

  3,813,972

• Date Filed

  Not available

• Date Issued

  Tuesday, June 4, 1974
  50 years ago

• CPC

  • B23D21/14 - cutting inside the tube
  • Y10T82/16639 - Tool within work
  • Y10T82/16688 - Planetating work mandrels
  • Y10T82/16803 - Rotatable tool[s] driven by contact with work
  • Y10T82/16885 - including resilient means urging work against rotary support
  • Y10T82/16967 - with means to support and/or rotate work

• US Classifications

  • 082 - Turning