1388731

Information

• Patent Grant
• 1388731

• References
• Source

• Patent Number

  1,388,731

• Date Filed

  Not available

• Date Issued

  Tuesday, August 23, 1921
  103 years ago

• CPC

  • F16L55/1725 - in which the threaded pin is rigid with the hose encircling member

• US Classifications

  • 138 - Pipes and tubular conduits