3688549

Information

• Patent Grant
• 3688549

• References
• Source

• Patent Number

  3,688,549

• Date Filed

  Not available

• Date Issued

  Tuesday, September 5, 1972
  52 years ago

• CPC

  • B21K1/30 - with gear-teeth
  • B21J5/027 - Trimming
  • Y10T29/49474 - Die-press shaping

• US Classifications

  • 072 - Metal deforming
  • 029 - Metal working