2140200

Information

• Patent Grant
• 2140200

• References
• Source

• Patent Number

  2,140,200

• Date Filed

  Not available

• Date Issued

  Tuesday, December 13, 1938
  86 years ago

• CPC

  • B68G3/10 - Cleaning or conditioning of bed feathers

• US Classifications

  • 034 - Drying and gas or vapor contact with solids