3838521

Information

• Patent Grant
• 3838521

• References
• Source

• Patent Number

  3,838,521

• Date Filed

  Not available

• Date Issued

  Tuesday, October 1, 1974
  50 years ago

• CPC

  • B23C3/055 - for engines
  • F01L3/22 - Valve-seats not provided for in preceding subgroups of this group Fixing of valve-seats
  • Y10T82/29 - Attachment for cutting a valve

• US Classifications

  • 033 - Geometrical instruments
  • 082 - Turning