2171576

Information

• Patent Grant
• 2171576

• References
• Source

• Patent Number

  2,171,576

• Date Filed

  Not available

• Date Issued

  Tuesday, September 5, 1939
  85 years ago

• CPC

  • F16L55/124 - introduced radially into the pipe or hose
  • Y10S223/03 - Reversible hanger
  • Y10T137/0419 - Fluid cleaning or flushing
  • Y10T137/0441 - Repairing, securing, replacing, or servicing pipe joint, valve, or tank
  • Y10T137/612 - Tapping a pipe, keg, or apertured tank under pressure
  • Y10T137/87917 - Flow path with serial valves and/or closures

• US Classifications

  • 137 - Fluid handling
  • 138 - Pipes and tubular conduits
  • 223 - Apparel apparatus