1404819

Information

• Patent Grant
• 1404819

• References
• Source

• Patent Number

  1,404,819

• Date Filed

  Not available

• Date Issued

  Tuesday, January 31, 1922
  102 years ago

• CPC

  • B21D39/12 - with rollers for expanding and flanging

• US Classifications

  • 072 - Metal deforming
  • 285 - Pipe joints or couplings