1937394

Information

• Patent Grant
• 1937394

• References
• Source

• Patent Number

  1,937,394

• Date Filed

  Not available

• Date Issued

  Tuesday, November 28, 1933
  91 years ago

• CPC

  • G01F23/46 - using magnetically actuated indicating means

• US Classifications

  • 307 - Electrical transmission or interconnection systems
  • 318 - Electricity: motive power systems
  • 336 - Inductor devices
  • 340 - Communications: electrical