3257832

Information

• Patent Grant
• 3257832

• References
• Source

• Patent Number

  3,257,832

• Date Filed

  Not available

• Date Issued

  Tuesday, June 28, 1966
  58 years ago

• CPC

  • B21D3/12 - by stretching with or without twisting
  • B21C35/03 - Straightening the work

• US Classifications

  • 072 - Metal deforming