3052151

Information

• Patent Grant
• 3052151

• References
• Source

• Patent Number

  3,052,151

• Date Filed

  Not available

• Date Issued

  Tuesday, September 4, 1962
  62 years ago

• CPC

  • G21F7/02 - Observation devices permitting vision but shielding the observer
  • G02B23/2492 - Arrangements for use in a hostile environment

• US Classifications

  • 359 - Optical: systems and elements
  • 250 - Radiant energy
  • 976 - Nuclear technology