2497946

Information

• Patent Grant
• 2497946

• References
• Source

• Patent Number

  2,497,946

• Date Filed

  Not available

• Date Issued

  Tuesday, February 21, 1950
  74 years ago

• CPC

  • B63B57/04 - by ventilating

• US Classifications

  • 134 - Cleaning and liquid contact with solids
  • 034 - Drying and gas or vapor contact with solids