1752331

Information

• Patent Grant
• 1752331

• References
• Source

• Patent Number

  1,752,331

• Date Filed

  Not available

• Date Issued

  Tuesday, April 1, 1930
  94 years ago

• CPC

  • F16L43/005 - Return bends
  • C10G9/20 - Tube furnaces

• US Classifications

  • 285 - Pipe joints or couplings