2156074

Information

• Patent Grant
• 2156074

• References
• Source

• Patent Number

  2,156,074

• Date Filed

  Not available

• Date Issued

  Tuesday, April 25, 1939
  86 years ago

• CPC

  • H01F38/04 - for frequency changing
  • H05G1/16 - Reducing the peak-inverse voltage

• US Classifications

  • 378 - X-ray or gamma ray systems or devices
  • 315 - Electric lamp and discharge devices: systems