3833985

Information

• Patent Grant
• 3833985

• References
• Source

• Patent Number

  3,833,985

• Date Filed

  Not available

• Date Issued

  Tuesday, September 10, 1974
  50 years ago

• CPC

  • B21C37/28 - Making tube fittings for connecting pipes
  • B21C37/286 - starting from sheet material
  • B21D11/02 - Bending by stretching or pulling over a die
  • B21D53/18 - of hollow or C-shaped cross-section
  • Y10T29/49444 - Elbow or L-shaped fitting making

• US Classifications

  • 029 - Metal working
  • 072 - Metal deforming