1497421

Information

• Patent Grant
• 1497421

• References
• Source

• Patent Number

  1,497,421

• Date Filed

  Not available

• Date Issued

  Tuesday, June 10, 1924
  100 years ago

• CPC

  • F01L1/14 - Tappets Push rods
  • Y10S164/13 - Valve
  • Y10T29/49304 - Valve tappet making

• US Classifications

  • 123 - Internal-combustion engines
  • 029 - Metal working
  • 164 - Metal founding