2170588

Information

• Patent Grant
• 2170588

• References
• Source

• Patent Number

  2,170,588

• Date Filed

  Not available

• Date Issued

  Tuesday, August 22, 1939
  85 years ago

• CPC

  • B65D35/20 - for retracting contents
  • B65D47/2068 - in which the stem is lowered by the pressure of the contents and thereby opening the valve
  • Y10T137/7835 - Valve seating in direction of flow

• US Classifications

  • 222 - Dispensing
  • 137 - Fluid handling