2122857

Information

• Patent Grant
• 2122857

• References
• Source

• Patent Number

  2,122,857

• Date Filed

  Not available

• Date Issued

  Tuesday, July 5, 1938
  86 years ago

• CPC

  • F26B11/0459 - the elements being chains

• US Classifications

  • 159 - Concentrating evaporators
  • 034 - Drying and gas or vapor contact with solids
  • 432 - Heating