522480

Information

• Patent Grant
• 522480

• References
• Source

• Patent Number

  522,480

• Date Filed

  Not available

• Date Issued

  Tuesday, July 3, 1894
  130 years ago

• CPC

  • G05D16/12 - the sensing element being a float
  • Y10T137/7824 - Reactor surface is inverted cup [float]

• US Classifications

  • 137 - Fluid handling