2721658

Information

• Patent Grant
• 2721658

• References
• Source

• Patent Number

  2,721,658

• Date Filed

  Not available

• Date Issued

  Tuesday, October 25, 1955
  69 years ago

• CPC

  • B03B5/44 - Application of particular media therefor
  • B03B2011/006 - Scraper dischargers

• US Classifications

  • 209 - Classifying, separating, and assorting solids