2698977

Information

• Patent Grant
• 2698977

• References
• Source

• Patent Number

  2,698,977

• Date Filed

  Not available

• Date Issued

  Tuesday, January 11, 1955
  69 years ago

• CPC

  • B22C5/0495 - combined with another operation

• US Classifications

  • 209 - Classifying, separating, and assorting solids