1988629

Information

• Patent Grant
• 1988629

• References
• Source

• Patent Number

  1,988,629

• Date Filed

  Not available

• Date Issued

  Tuesday, January 22, 1935
  89 years ago

• CPC

  • F26B17/28 - with movement performed by rollers or discs with material passing over or between them
  • F26B17/18 - with movement performed by rotating helical blades or other rotary conveyors which may be heated moving materials in stationary chambers

• US Classifications

  • 019 - Textiles: fiber preparation
  • 034 - Drying and gas or vapor contact with solids