3847003

Information

• Patent Grant
• 3847003

• References
• Source

• Patent Number

  3,847,003

• Date Filed

  Not available

• Date Issued

  Tuesday, November 12, 1974
  50 years ago

• CPC

  • B21F3/027 - with extended ends formed in a special shape

• US Classifications

  • 072 - Metal deforming
  • 140 - Wireworking