1909309

Information

• Patent Grant
• 1909309

• References
• Source

• Patent Number

  1,909,309

• Date Filed

  Not available

• Date Issued

  Tuesday, May 16, 1933
  92 years ago

• CPC

  • F16L43/003 - having a rectangular cross-section

• US Classifications

  • 285 - Pipe joints or couplings