1673854

Information

• Patent Grant
• 1673854

• References
• Source

• Patent Number

  1,673,854

• Date Filed

  Not available

• Date Issued

  Tuesday, June 19, 1928
  96 years ago

• CPC

  • C10G9/02 - in retorts
  • C10G9/36 - with heated gases or vapours

• US Classifications

  • 208 - Mineral oils: processes and products
  • 196 - Mineral oils: apparatus