2617058

Information

• Patent Grant
• 2617058

• References
• Source

• Patent Number

  2,617,058

• Date Filed

  Not available

• Date Issued

  Tuesday, November 4, 1952
  72 years ago

• CPC

  • H01J31/32 - Tubes with image amplification section

• US Classifications

  • 313 - Electric lamp and discharge devices