3731136

Information

• Patent Grant
• 3731136

• References
• Source

• Patent Number

  3,731,136

• Date Filed

  Not available

• Date Issued

  Tuesday, May 1, 1973
  51 years ago

• CPC

  • H01J29/465 - for simultaneous focalisation and deflection of ray or beam

• US Classifications

  • 315 - Electric lamp and discharge devices: systems
  • 313 - Electric lamp and discharge devices