2148509

Information

• Patent Grant
• 2148509

• References
• Source

• Patent Number

  2,148,509

• Date Filed

  Not available

• Date Issued

  Tuesday, February 28, 1939
  85 years ago

• CPC

  • G05D16/163 - using one or several membranes
  • Y10T137/7758 - Pilot or servo controlled
  • Y10T137/7797 - Bias variable during operation
  • Y10T137/7807 - Adjustable external lever
  • Y10T137/8733 - Fluid pressure regulator in at least one branch

• US Classifications

  • 137 - Fluid handling
  • 048 - Gas: heating and illuminating