422260

Information

• Patent Grant
• 422260

• References
• Source

• Patent Number

  422,260

• Date Filed

  Not available

• Date Issued

  Tuesday, February 25, 1890
  135 years ago

• CPC

  • B01F15/068 - using heated or cooled stirrers
  • Y10S165/141 - Concentric flow confining structures or chambers

• US Classifications

  • 165 - Heat exchange
  • 366 - Agitating
  • 425 - Plastic article or earthenware shaping or treating: apparatus