2504294

Information

• Patent Grant
• 2504294

• References
• Source

• Patent Number

  2,504,294

• Date Filed

  Not available

• Date Issued

  Tuesday, April 18, 1950
  75 years ago

• CPC

  • H03J7/16 - where the frequency control is accomplished by mechanical means
  • G05B1/022 - using discharge tubes

• US Classifications

  • 318 - Electricity: motive power systems
  • 331 - Oscillators
  • 361 - Electricity: electrical systems and devices