3853310

Information

• Patent Grant
• 3853310

• References
• Source

• Patent Number

  3,853,310

• Date Filed

  Not available

• Date Issued

  Tuesday, December 10, 1974
  50 years ago

• CPC

  • B21H7/007 - Taper rolling
  • F16F1/02 - made of steel or other material having low internal friction Wound, torsion, leaf, cup, ring or the like springs, the material of the spring not being relevant
  • B60G2206/428 - Leaf springs
  • B60G2206/8109 - by rolling
  • Y10T29/49609 - Spring making

• US Classifications

  • 267 - Spring devices
  • 029 - Metal working
  • 072 - Metal deforming