1548971

Information

• Patent Grant
• 1548971

• References
• Source

• Patent Number

  1,548,971

• Date Filed

  Not available

• Date Issued

  Tuesday, August 11, 1925
  99 years ago

• CPC

  • D21F1/62 - Sand traps

• US Classifications

  • 209 - Classifying, separating, and assorting solids