3171303

Information

• Patent Grant
• 3171303

• References
• Source

• Patent Number

  3,171,303

• Date Filed

  Not available

• Date Issued

  Tuesday, March 2, 1965
  59 years ago

• CPC

  • B21D11/085 - by locally stretching or upsetting
  • Y10S72/701 - Preventing distortion

• US Classifications

  • 072 - Metal deforming