2921212

Information

• Patent Grant
• 2921212

• References
• Source

• Patent Number

  2,921,212

• Date Filed

  Not available

• Date Issued

  Tuesday, January 12, 1960
  65 years ago

• CPC

  • H01J29/50 - Two or more guns in a single vacuum space
  • H01J29/84 - Traps for removing or diverting unwanted particles
  • H01J29/845 - by means of magnetic systems

• US Classifications

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