3835251

Information

• Patent Grant
• 3835251

• References
• Source

• Patent Number

  3,835,251

• Date Filed

  Not available

• Date Issued

  Tuesday, September 10, 1974
  50 years ago

• CPC

  • H01J29/54 - Arrangements for centring ray or beam
  • H01J29/892 - using fibre optics

• US Classifications

  • 348 - Television
  • 313 - Electric lamp and discharge devices