450675

Information

• Patent Grant
• 450675

• References
• Source

• Patent Number

  450,675

• Date Filed

  Not available

• Date Issued

  Tuesday, April 21, 1891
  134 years ago

• CPC

  • D06F37/32 - for rotating the receptacle at one speed only

• US Classifications

  • 068 - Textiles: fluid treating apparatus
  • 210 - Liquid purification or separation