3837487

Information

• Patent Grant
• 3837487

• References
• Source

• Patent Number

  3,837,487

• Date Filed

  Not available

• Date Issued

  Tuesday, September 24, 1974
  50 years ago

• CPC

  • B07B1/15 - using corrugated, grooved or ribbed rollers
  • B07B13/07 - Apparatus in which aggregates or articles are moved along or past openings which increase in size in the direction of movement
  • B07B13/075 - Apparatus comprising moving article - receiving openings, the size of which varies as they move

• US Classifications

  • 209 - Classifying, separating, and assorting solids