2463229

Information

• Patent Grant
• 2463229

• References
• Source

• Patent Number

  2,463,229

• Date Filed

  Not available

• Date Issued

  Tuesday, March 1, 1949
  75 years ago

• CPC

  • H01J19/40 - Screens for shielding
  • H01J21/065 - Devices for short wave tubes

• US Classifications

  • 313 - Electric lamp and discharge devices
  • 330 - Amplifiers