1409709

Information

• Patent Grant
• 1409709

• References
• Source

• Patent Number

  1,409,709

• Date Filed

  Not available

• Date Issued

  Tuesday, March 14, 1922
  103 years ago

• CPC

  • C10G9/02 - in retorts

• US Classifications

  • 048 - Gas: heating and illuminating
  • 208 - Mineral oils: processes and products
  • 423 - Chemistry of inorganic compounds