3827464

Information

• Patent Grant
• 3827464

• References
• Source

• Patent Number

  3,827,464

• Date Filed

  Not available

• Date Issued

  Tuesday, August 6, 1974
  50 years ago

• CPC

  • G04D3/0007 - for springs
  • B21F35/02 - Bending or deforming ends of coil springs to special shape

• US Classifications

  • 140 - Wireworking
  • 072 - Metal deforming
  • 968 - Horology