2457112

Information

• Patent Grant
• 2457112

• References
• Source

• Patent Number

  2,457,112

• Date Filed

  Not available

• Date Issued

  Tuesday, December 28, 1948
  76 years ago

• CPC

  • H03F1/546 - Delaying application of anode power supply with respect to application of filament heating power supply

• US Classifications

  • 361 - Electricity: electrical systems and devices
  • 315 - Electric lamp and discharge devices: systems
  • 327 - Miscellaneous active electrical nonlinear devices, circuits, and systems