2137133

Information

• Patent Grant
• 2137133

• References
• Source

• Patent Number

  2,137,133

• Date Filed

  Not available

• Date Issued

  Tuesday, November 15, 1938
  87 years ago

• CPC

  • G01K17/16 - using electrical or magnetic means for both measurements

• US Classifications

  • 374 - Thermal measuring and testing
  • 073 - Measuring and testing
  • 222 - Dispensing
  • 324 - Electricity: measuring and testing
  • 340 - Communications: electrical
  • 377 - Electrical pulse counters, pulse dividers, or shift registers: circuits and systems
  • 708 - Electrical computers: arithmetic processing and calculating