1520916

Information

• Patent Grant
• 1520916

• References
• Source

• Patent Number

  1,520,916

• Date Filed

  Not available

• Date Issued

  Tuesday, December 30, 1924
  100 years ago

• CPC

  • B22C5/0495 - combined with another operation
  • B22C5/06 - by sieving or magnetic separating

• US Classifications

  • 198 - Conveyors: power-driven
  • 037 - Excavating
  • 366 - Agitating