2197640

Information

• Patent Grant
• 2197640

• References
• Source

• Patent Number

  2,197,640

• Date Filed

  Not available

• Date Issued

  Tuesday, April 16, 1940
  84 years ago

• CPC

  • D06F37/38 - in opposite directions
  • Y10S220/28 - Washtubs

• US Classifications

  • 068 - Textiles: fluid treating apparatus
  • 220 - Receptacles