3420081

Information

• Patent Grant
• 3420081

• References
• Source

• Patent Number

  3,420,081

• Date Filed

  Not available

• Date Issued

  Tuesday, January 7, 1969
  56 years ago

• CPC

  • E04H17/10 - characterised by the way of connecting wire to posts Droppers
  • B21F3/04 - externally on a mandrel or the like
  • B21F27/04 - Manufacturing on machines with rotating blades or formers
  • B21F29/02 - comprising bars or the like connected by wires
  • Y10T29/49071 - by winding or coiling

• US Classifications

  • 072 - Metal deforming