1820488

Information

• Patent Grant
• 1820488

• References
• Source

• Patent Number

  1,820,488

• Date Filed

  Not available

• Date Issued

  Tuesday, August 25, 1931
  93 years ago

• CPC

  • D06F37/36 - for rotating the receptacle at more than one speed
  • D06F2700/055 - by changing between two transmissions with elements rolling on each other

• US Classifications

  • 068 - Textiles: fluid treating apparatus