865739

Information

• Patent Grant
• 865739

• References
• Source

• Patent Number

  865,739

• Date Filed

  Not available

• Date Issued

  Tuesday, September 10, 1907
  117 years ago

• CPC

  • B23C3/05 - Finishing valves or valve seats
  • Y10T137/4287 - Concentric stem
  • Y10T408/5587 - Valve fitting
  • Y10T408/5647 - including means to move Tool

• US Classifications

  • 408 - Cutting by use of rotating axially moving tool
  • 137 - Fluid handling