2143340

Information

• Patent Grant
• 2143340

• References
• Source

• Patent Number

  2,143,340

• Date Filed

  Not available

• Date Issued

  Tuesday, January 10, 1939
  86 years ago

• CPC

  • G01F23/585 - using pneumatically or hydraulically actuated indicating means
  • G01F23/0015 - with a whistle or other sonorous signal
  • H01M2/362 - Filling or topping up of large-sized cells or batteries
  • Y10T137/8326 - Fluid pressure responsive indicator, recorder or alarm

• US Classifications

  • 429 - Chemistry: electrical current producing apparatus, product, and process
  • 116 - Signals and indicators
  • 137 - Fluid handling
  • 220 - Receptacles