2796549

Information

• Patent Grant
• 2796549

• References
• Source

• Patent Number

  2,796,549

• Date Filed

  Not available

• Date Issued

  Tuesday, June 18, 1957
  67 years ago

• CPC

  • H01J29/525 - Digitally controlled systems
  • H01J29/52 - Arrangements for controlling intensity of ray or beam
  • H01J31/16 - with mask carrying a number of selectively displayable signs

• US Classifications

  • 313 - Electric lamp and discharge devices