444470

Information

• Patent Grant
• 444470

• References
• Source

• Patent Number

  444,470

• Date Filed

  Not available

• Date Issued

  Tuesday, January 13, 1891
  134 years ago

• CPC

  • B01F7/00858 - with rotating surfaces facing each other
  • B01F7/00975 - parallel
  • B01F7/06 - with propellers

• US Classifications

  • 366 - Agitating
  • 425 - Plastic article or earthenware shaping or treating: apparatus