2175827

Information

• Patent Grant
• 2175827

• References
• Source

• Patent Number

  2,175,827

• Date Filed

  Not available

• Date Issued

  Tuesday, October 10, 1939
  85 years ago

• CPC

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

• US Classifications

  • 337 - Electricity: electrothermally or thermally actuated switches