3698228

Information

• Patent Grant
• 3698228

• References
• Source

• Patent Number

  3,698,228

• Date Filed

  Not available

• Date Issued

  Tuesday, October 17, 1972
  52 years ago

• CPC

  • B21D7/03 - Apparatus with means to keep the profile in shape
  • B21K1/44 - bolts, studs, or the like

• US Classifications

  • 072 - Metal deforming