1346221

Information

• Patent Grant
• 1346221

• References
• Source

• Patent Number

  1,346,221

• Date Filed

  Not available

• Date Issued

  Tuesday, July 13, 1920
  104 years ago

• CPC

  • B22C19/06 - Devices for rapping or loosening the pattern
  • Y10T74/18552 - Unbalanced weight

• US Classifications

  • 366 - Agitating
  • 074 - Machine element or mechanism
  • 209 - Classifying, separating, and assorting solids