1885845

Information

• Patent Grant
• 1885845

• References
• Source

• Patent Number

  1,885,845

• Date Filed

  Not available

• Date Issued

  Tuesday, November 1, 1932
  92 years ago

• CPC

  • F27B7/04 - with longitudinal divisions
  • F27B7/2016 - Arrangements of preheating devices for the charge
  • F27B2007/041 - Longitudinal tubes
  • F27B2007/165 - forming a helical lifting projection
  • F27B2007/367 - transversally through the wall of the drum

• US Classifications

  • 432 - Heating