1820358

Information

• Patent Grant
• 1820358

• References
• Source

• Patent Number

  1,820,358

• Date Filed

  Not available

• Date Issued

  Tuesday, August 25, 1931
  93 years ago

• CPC

  • G05D7/0106 - the sensing element being a flexible member
  • Y10T137/2569 - Control by depletion of source
  • Y10T137/7836 - Flexible diaphragm or bellows reactor
  • Y10T137/7907 - Varying effective lever arm

• US Classifications

  • 137 - Fluid handling
  • 251 - Valves and valve actuation