3793873

Information

• Patent Grant
• 3793873

• References
• Source

• Patent Number

  3,793,873

• Date Filed

  Not available

• Date Issued

  Tuesday, February 26, 1974
  51 years ago

• CPC

  • B21K1/22 - poppet valves
  • B21J9/08 - equipped with devices for heating the work-piece
  • Y10T29/49309 - including forging

• US Classifications

  • 072 - Metal deforming
  • 029 - Metal working