2455299

Information

• Patent Grant
• 2455299

• References
• Source

• Patent Number

  2,455,299

• Date Filed

  Not available

• Date Issued

  Tuesday, November 30, 1948
  76 years ago

• CPC

  • B23P15/002 - poppet valves
  • F01L3/12 - Cooling of valves
  • F01L3/14 - by means of a liquid or solid coolant
  • Y10T29/49311 - including extruding
  • Y10T29/5116 - forging and bending, cutting or punching

• US Classifications

  • 029 - Metal working
  • 072 - Metal deforming