490631

Information

• Patent Grant
• 490631

• References
• Source

• Patent Number

  490,631

• Date Filed

  Not available

• Date Issued

  Tuesday, January 24, 1893
  131 years ago

• CPC

  • B02C4/28 - Details
  • B28C5/1246 - with feeding devices
  • B28C7/0069 - having compartments
  • B28C7/0076 - Parts or details thereof
  • B28C7/0404 - Proportioning

• US Classifications

  • 222 - Dispensing
  • 366 - Agitating