2270794

Information

• Patent Grant
• 2270794

• References
• Source

• Patent Number

  2,270,794

• Date Filed

  Not available

• Date Issued

  Tuesday, January 20, 1942
  83 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
  • Y10T137/7836 - Flexible diaphragm or bellows reactor

• US Classifications

  • 222 - Dispensing
  • 092 - Expansible chamber devices
  • 137 - Fluid handling