2807660

Information

• Patent Grant
• 2807660

• References
• Source

• Patent Number

  2,807,660

• Date Filed

  Not available

• Date Issued

  Tuesday, September 24, 1957
  67 years ago

• CPC

  • H04N1/6022 - Generating a fourth subtractive colour signal
  • H01J17/00 - Gas-filled discharge tubes with solid cathode
  • H01J2893/0064 - Tubes with cold main electrodes (including cold cathodes)

• US Classifications

  • 358 - Facsimile and static presentation processing
  • 315 - Electric lamp and discharge devices: systems