3600624

Information

• Patent Grant
• 3600624

• References
• Source

• Patent Number

  3,600,624

• Date Filed

  Not available

• Date Issued

  Tuesday, August 17, 1971
  53 years ago

• CPC

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

• US Classifications

  • 313 - Electric lamp and discharge devices