3559491

Information

• Patent Grant
• 3559491

• References
• Source

• Patent Number

  3,559,491

• Date Filed

  Not available

• Date Issued

  Tuesday, February 2, 1971
  54 years ago

• CPC

  • G01N1/2258 - in a stack or chimney
  • G01N2001/2235 - over a melt
  • G01N2001/2261 - preventing condensation (heating lines)
  • G01N2001/227 - separating gas from solid

• US Classifications

  • 073 - Measuring and testing