3780413

Information

• Patent Grant
• 3780413

• References
• Source

• Patent Number

  3,780,413

• Date Filed

  Not available

• Date Issued

  Tuesday, December 25, 1973
  51 years ago

• CPC

  • B21C23/03 - by both direct and backward extrusion
  • B21K1/30 - with gear-teeth
  • Y10S29/047 - Extruding with other step
  • Y10T29/49467 - Gear shaping
  • Y10T74/19958 - Bevel

• US Classifications

  • 029 - Metal working
  • 072 - Metal deforming
  • 074 - Machine element or mechanism