2491194

Information

• Patent Grant
• 2491194

• References
• Source

• Patent Number

  2,491,194

• Date Filed

  Not available

• Date Issued

  Tuesday, December 13, 1949
  75 years ago

• CPC

  • C04B20/02 - Treatment
  • B28C7/0023 - by heating or cooling

• US Classifications

  • 134 - Cleaning and liquid contact with solids
  • 034 - Drying and gas or vapor contact with solids
  • 062 - Refrigeration
  • 165 - Heat exchange
  • 366 - Agitating