3675309

Information

• Patent Grant
• 3675309

• References
• Source

• Patent Number

  3,675,309

• Date Filed

  Not available

• Date Issued

  Tuesday, July 11, 1972
  52 years ago

• CPC

  • B23P6/02 - Pistons or cylinders
  • F02F1/24 - Cylinder heads
  • F02F1/4214 - specially adapted for four or more valves per cylinder
  • F02B3/06 - with compression ignition
  • F02B2275/44 - Tools for engines
  • F02F2001/245 - the valve stems being orientated at an angle with the cylinder axis
  • Y10T29/49737 - Metallurgically attaching preform

• US Classifications

  • 228 - Metal fusion bonding
  • 029 - Metal working