3307400

Information

• Patent Grant
• 3307400

• References
• Source

• Patent Number

  3,307,400

• Date Filed

  Not available

• Date Issued

  Tuesday, March 7, 1967
  57 years ago

• CPC

  • G21F7/03 - Windows
  • B01J3/004 - Sight-glasses therefor
  • G02B7/007 - Pressure-resistant sight glasses

• US Classifications

  • 073 - Measuring and testing
  • 116 - Signals and indicators
  • 359 - Optical: systems and elements
  • 976 - Nuclear technology