1804998

Information

• Patent Grant
• 1804998

• References
• Source

• Patent Number

  1,804,998

• Date Filed

  Not available

• Date Issued

  Tuesday, May 12, 1931
  94 years ago

• CPC

  • B03C1/06 - with magnets moving during operation

• US Classifications

  • 209 - Classifying, separating, and assorting solids