2688253

Information

• Patent Grant
• 2688253

• References
• Source

• Patent Number

  2,688,253

• Date Filed

  Not available

• Date Issued

  Tuesday, September 7, 1954
  70 years ago

• CPC

  • G01F1/377 - using a ring-balance as indicating element
  • Y10T137/2409 - With counter-balancing pressure feedback to the modulating device

• US Classifications

  • 073 - Measuring and testing
  • 091 - Motors: expansible chamber type
  • 137 - Fluid handling
  • 340 - Communications: electrical