3180371

Information

• Patent Grant
• 3180371

• References
• Source

• Patent Number

  3,180,371

• Date Filed

  Not available

• Date Issued

  Tuesday, April 27, 1965
  59 years ago

• CPC

  • B21F35/04 - Making flat springs

• US Classifications

  • 140 - Wireworking
  • 072 - Metal deforming