1662371

Information

• Patent Grant
• 1662371

• References
• Source

• Patent Number

  1,662,371

• Date Filed

  Not available

• Date Issued

  Tuesday, March 13, 1928
  96 years ago

• CPC

  • F26B15/105 - the articles
  • F26B15/26 - with movement in a helical path

• US Classifications

  • 034 - Drying and gas or vapor contact with solids