1455688

Information

• Patent Grant
• 1455688

• References
• Source

• Patent Number

  1,455,688

• Date Filed

  Not available

• Date Issued

  Tuesday, May 15, 1923
  101 years ago

• CPC

  • F24B15/08 - Shovels with sifters

• US Classifications

  • 209 - Classifying, separating, and assorting solids