2349828

Information

• Patent Grant
• 2349828

• References
• Source

• Patent Number

  2,349,828

• Date Filed

  Not available

• Date Issued

  Tuesday, May 30, 1944
  81 years ago

• CPC

  • F16F1/046 - with partial nesting of inner and outer coils
  • B21D11/06 - Bending into helical or spiral form Forming a succession of return bends
  • B21F3/06 - internally on a hollow form

• US Classifications

  • 072 - Metal deforming