3332271

Information

• Patent Grant
• 3332271

• References
• Source

• Patent Number

  3,332,271

• Date Filed

  Not available

• Date Issued

  Tuesday, July 25, 1967
  57 years ago

• CPC

  • B21D11/085 - by locally stretching or upsetting

• US Classifications

  • 072 - Metal deforming