3537820

Information

• Patent Grant
• 3537820

• References
• Source

• Patent Number

  3,537,820

• Date Filed

  Not available

• Date Issued

  Tuesday, November 3, 1970
  54 years ago

• CPC

  • D21G9/0018 - controlling the stock preparation
  • D21C11/063 - Treatment of gas streams comprising solid matter
  • H03F3/14 - with amplifying devices having more than three electrodes or more than two PN junctions
  • Y10T436/186 - Sulfur dioxide

• US Classifications

  • 436 - Chemistry: analytical and immunological testing
  • 422 - Chemical apparatus and process disinfecting, deodorizing, preserving, or sterilizing
  • 700 - Data processing: generic control systems or specific applications
  • 702 - Data processing: measuring, calibrating, or testing