1996838

Information

• Patent Grant
• 1996838

• References
• Source

• Patent Number

  1,996,838

• Date Filed

  Not available

• Date Issued

  Tuesday, April 9, 1935
  89 years ago

• CPC

  • B21D9/12 - by pushing over a curved mandrel by pushing through a curved die
  • B21D7/085 - by passing through a curved die
  • Y10T29/49444 - Elbow or L-shaped fitting making

• US Classifications

  • 072 - Metal deforming
  • 029 - Metal working