3321655

Information

• Patent Grant
• 3321655

• References
• Source

• Patent Number

  3,321,655

• Date Filed

  Not available

• Date Issued

  Tuesday, May 23, 1967
  57 years ago

• CPC

  • H01J31/38 - Tubes with photoconductive screen
  • H01J29/025 - Mounting or supporting arrangements for grids

• US Classifications

  • 313 - Electric lamp and discharge devices