3723977

Information

• Patent Grant
• 3723977

• References
• Source

• Patent Number

  3,723,977

• Date Filed

  Not available

• Date Issued

  Tuesday, March 27, 1973
  52 years ago

• CPC

  • H01J11/00 - Gas-filled discharge tubes with alternating current induction of the discharge
  • G06F3/033 - Pointing devices displaced or positioned by the user
  • H01J2893/0065 - Electrode systems

• US Classifications

  • 365 - Static information storage and retrieval
  • 250 - Radiant energy
  • 313 - Electric lamp and discharge devices
  • 315 - Electric lamp and discharge devices: systems
  • 345 - Computer graphics processing and selective visual display systems