2658491

Information

• Patent Grant
• 2658491

• References
• Source

• Patent Number

  2,658,491

• Date Filed

  Not available

• Date Issued

  Tuesday, November 10, 1953
  71 years ago

• CPC

  • F01M9/103 - of valve stem and guide
  • F01P3/14 - for cooling intake or exhaust valves

• US Classifications

  • 123 - Internal-combustion engines
  • 184 - Lubrication