3593053

Information

• Patent Grant
• 3593053

• References
• Source

• Patent Number

  3,593,053

• Date Filed

  Not available

• Date Issued

  Tuesday, July 13, 1971
  53 years ago

• CPC

  • H01J31/16 - with mask carrying a number of selectively displayable signs

• US Classifications

  • 313 - Electric lamp and discharge devices