2564221

Information

• Patent Grant
• 2564221

• References
• Source

• Patent Number

  2,564,221

• Date Filed

  Not available

• Date Issued

  Tuesday, August 14, 1951
  73 years ago

• CPC

  • G05B1/025 - using inductance means
  • G01D5/2258 - by a movable ferromagnetic element

• US Classifications

  • 336 - Inductor devices
  • 073 - Measuring and testing
  • 177 - Weighing scales
  • 307 - Electrical transmission or interconnection systems
  • 318 - Electricity: motive power systems
  • 324 - Electricity: measuring and testing
  • 340 - Communications: electrical