3488986

Information

• Patent Grant
• 3488986

• References
• Source

• Patent Number

  3,488,986

• Date Filed

  Not available

• Date Issued

  Tuesday, January 13, 1970
  55 years ago

• CPC

  • B21B1/088 - H- or I-sections
  • B21B39/22 - by tipping

• US Classifications

  • 072 - Metal deforming