3240238

Information

• Patent Grant
• 3240238

• References
• Source

• Patent Number

  3,240,238

• Date Filed

  Not available

• Date Issued

  Tuesday, March 15, 1966
  58 years ago

• CPC

  • B21F3/06 - internally on a hollow form
  • B21F1/00 - Bending wire other than coiling Straightening wire
  • B21F23/00 - Feeding wire in wire-working machines or apparatus
  • B21F35/00 - Making springs from wire
  • Y10T29/49609 - Spring making

• US Classifications

  • 140 - Wireworking
  • 029 - Metal working