1826612

Information

• Patent Grant
• 1826612

• References
• Source

• Patent Number

  1,826,612

• Date Filed

  Not available

• Date Issued

  Tuesday, October 6, 1931
  94 years ago

• CPC

  • B21F35/00 - Making springs from wire
  • B21F3/04 - externally on a mandrel or the like
  • B68G2009/005 - Devices for turning the springs 90° inside the pockets

• US Classifications

  • 072 - Metal deforming
  • 140 - Wireworking