1490765

Information

• Patent Grant
• 1490765

• References
• Source

• Patent Number

  1,490,765

• Date Filed

  Not available

• Date Issued

  Tuesday, April 15, 1924
  100 years ago

• CPC

  • F26B15/24 - in a zig-zag path
  • F26B21/083 - by using sorbent or hygroscopic materials

• US Classifications

  • 034 - Drying and gas or vapor contact with solids
  • 252 - Compositions