2932759

Information

• Patent Grant
• 2932759

• References
• Source

• Patent Number

  2,932,759

• Date Filed

  Not available

• Date Issued

  Tuesday, April 12, 1960
  64 years ago

• CPC

  • H01J19/38 - Control electrodes
  • H01J2893/0017 - Cylindrical, helical or annular grids

• US Classifications

  • 313 - Electric lamp and discharge devices