1387652

Information

• Patent Grant
• 1387652

• References
• Source

• Patent Number

  1,387,652

• Date Filed

  Not available

• Date Issued

  Tuesday, August 16, 1921
  103 years ago

• CPC

  • B23C3/05 - Finishing valves or valve seats
  • Y10T82/12 - Radially moving rotating tool inside bore
  • Y10T408/5587 - Valve fitting
  • Y10T408/85918 - with adjustable means to limit scroll movement

• US Classifications

  • 408 - Cutting by use of rotating axially moving tool
  • 082 - Turning