1546659

Information

• Patent Grant
• 1546659

• References
• Source

• Patent Number

  1,546,659

• Date Filed

  Not available

• Date Issued

  Tuesday, July 21, 1925
  100 years ago

• CPC

  • C10B7/02 - with rotary scraping devices
  • Y10S159/36 - Rabbled hearth

• US Classifications

  • 202 - Distillation: apparatus
  • 159 - Concentrating evaporators