3624383

Information

• Patent Grant
• 3624383

• References
• Source

• Patent Number

  3,624,383

• Date Filed

  Not available

• Date Issued

  Tuesday, November 30, 1971
  52 years ago

• CPC

  • G01N21/8803 - Visual inspection
  • F21W2131/409 - for furnaces or kilns

• US Classifications

  • 362 - Illumination
  • 126 - Stoves and furnaces
  • 359 - Optical: systems and elements