2176439

Information

• Patent Grant
• 2176439

• References
• Source

• Patent Number

  2,176,439

• Date Filed

  Not available

• Date Issued

  Tuesday, October 17, 1939
  85 years ago

• CPC

  • B65G51/18 - Adaptations of pipes or tubes Pipe or tube joints

• US Classifications

  • 406 - Conveyors: fluid current
  • 138 - Pipes and tubular conduits
  • 285 - Pipe joints or couplings