1444210

Information

• Patent Grant
• 1444210

• References
• Source

• Patent Number

  1,444,210

• Date Filed

  Not available

• Date Issued

  Tuesday, February 6, 1923
  102 years ago

• CPC

  • F01L3/02 - Selecting particular materials for valve-members or valve-seats Valve-members or valve-seats composed of two or more materials
  • Y10S164/13 - Valve
  • Y10T29/49314 - with assembly or composite article making

• US Classifications

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