189267

Information

• Patent Grant
• 189267

• References
• Source

• Patent Number

  189,267

• Date Filed

  Not available

• Date Issued

  Tuesday, April 3, 1877
  148 years ago

• CPC

  • B21C37/124 - the tubes having a special shape
  • B21C37/125 - curved section
  • B21C37/286 - starting from sheet material

• US Classifications

  • 285 - Pipe joints or couplings