2921215

Information

• Patent Grant
• 2921215

• References
• Source

• Patent Number

  2,921,215

• Date Filed

  Not available

• Date Issued

  Tuesday, January 12, 1960
  64 years ago

• CPC

  • H01J3/029 - Schematic arrangements for beam forming
  • H01J25/48 - Tubes in which two electron streams of different velocities interact with one another

• US Classifications

  • 313 - Electric lamp and discharge devices
  • 315 - Electric lamp and discharge devices: systems