3430094

Information

• Patent Grant
• 3430094

• References
• Source

• Patent Number

  3,430,094

• Date Filed

  Not available

• Date Issued

  Tuesday, February 25, 1969
  55 years ago

• CPC

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

• US Classifications

  • 315 - Electric lamp and discharge devices: systems