1650645

Information

• Patent Grant
• 1650645

• References
• Source

• Patent Number

  1,650,645

• Date Filed

  Not available

• Date Issued

  Tuesday, November 29, 1927
  98 years ago

• CPC

  • B23P15/002 - poppet valves
  • Y10S164/13 - Valve
  • Y10T29/49304 - Valve tappet making

• US Classifications

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