2274426

Information

• Patent Grant
• 2274426

• References
• Source

• Patent Number

  2,274,426

• Date Filed

  Not available

• Date Issued

  Tuesday, February 24, 1942
  83 years ago

• CPC

  • F26B15/24 - in a zig-zag path

• US Classifications

  • 264 - Plastic and nonmetallic article shaping or treating: processes
  • 034 - Drying and gas or vapor contact with solids