163818

Information

• Patent Grant
• 163818

• References
• Source

• Patent Number

  163,818

• Date Filed

  Not available

• Date Issued

  Tuesday, May 25, 1875
  149 years ago

• CPC

  • C10B47/22 - in dispersed form
  • C10J3/10 - using external heating

• US Classifications

  • 048 - Gas: heating and illuminating