1422442

Information

• Patent Grant
• 1422442

• References
• Source

• Patent Number

  1,422,442

• Date Filed

  Not available

• Date Issued

  Tuesday, July 11, 1922
  102 years ago

• CPC

  • F27D25/001 - comprising breaking tools
  • F27D2003/0083 - Means for stirring the charge

• US Classifications

  • 414 - Material or article handling