3157068

Information

• Patent Grant
• 3157068

• References
• Source

• Patent Number

  3,157,068

• Date Filed

  Not available

• Date Issued

  Tuesday, November 17, 1964
  60 years ago

• CPC

  • B23C3/055 - for engines
  • B23C2215/60 - Valve guides in combination with the neighbouring valve seat
  • Y10T408/553 - Centering means adapted to be replaced by Tool
  • Y10T408/5584 - Engaging surface axially advanced of tool-action

• US Classifications

  • 408 - Cutting by use of rotating axially moving tool