3899243

Information

• Patent Grant
• 3899243

• References
• Source

• Patent Number

  3,899,243

• Date Filed

  Not available

• Date Issued

  Tuesday, August 12, 1975
  49 years ago

• CPC

  • B01J3/004 - Sight-glasses therefor
  • C10J3/22 - Arrangement or dispositions of valves or flues
  • C10J3/72 - Other features
  • C10J3/76 - Water jackets Steam boiler-jackets
  • C10J3/78 - High-pressure apparatus
  • C10J2200/09 - Mechanical details of gasifiers not otherwise provided for
  • C10J2300/093 - Coal

• US Classifications

  • 359 - Optical: systems and elements
  • 073 - Measuring and testing