1494189

Information

• Patent Grant
• 1494189

• References
• Source

• Patent Number

  1,494,189

• Date Filed

  Not available

• Date Issued

  Tuesday, May 13, 1924
  101 years ago

• CPC

  • H02P7/066 - using a periodic interrupter
  • Y10S200/30 - Fluid conductor
  • Y10S200/31 - Fluid flow
  • Y10S388/929 - Fluid/granular material flow rate, pressure, or level

• US Classifications

  • 388 - Electricity: motor control systems
  • 200 - Electricity: circuit makers and breakers