3783721

Information

• Patent Grant
• 3783721

• References
• Source

• Patent Number

  3,783,721

• Date Filed

  Not available

• Date Issued

  Tuesday, January 8, 1974
  50 years ago

• CPC

  • B23D45/128 - with the tool introduced into the tubes and cutting from the inside outwards
  • B23B5/14 - Cutting-off lathes
  • B25H1/0021 - Stands, supports or guiding devices for positioning portable tools or for securing them to the work
  • Y10T29/44 - Filing
  • Y10T82/16639 - Tool within work

• US Classifications

  • 082 - Turning
  • 029 - Metal working