3745801

Information

• Patent Grant
• 3745801

• References
• Source

• Patent Number

  3,745,801

• Date Filed

  Not available

• Date Issued

  Tuesday, July 17, 1973
  51 years ago

• CPC

  • B21H3/12 - articles with helicoidal surface
  • B21C37/207 - with helical guides

• US Classifications

  • 072 - Metal deforming