2637947

Information

• Patent Grant
• 2637947

• References
• Source

• Patent Number

  2,637,947

• Date Filed

  Not available

• Date Issued

  Tuesday, May 12, 1953
  71 years ago

• CPC

  • G05D16/163 - using one or several membranes
  • Y10T137/2663 - Pressure responsive
  • Y10T137/7806 - Modified valve casing

• US Classifications

  • 137 - Fluid handling