3244130

Information

• Patent Grant
• 3244130

• References
• Source

• Patent Number

  3,244,130

• Date Filed

  Not available

• Date Issued

  Tuesday, April 5, 1966
  58 years ago

• CPC

  • F16L51/021 - having a rectangular cross-section
  • B21D13/045 - the corrugations being parallel to the feeding movement

• US Classifications

  • 072 - Metal deforming