1138397

Information

• Patent Grant
• 1138397

• References
• Source

• Patent Number

  1,138,397

• Date Filed

  Not available

• Date Issued

  Tuesday, May 4, 1915
  109 years ago

• CPC

  • B28C5/0875 - Mixing in separate stages involving different containers for each stage
  • E01C19/47 - Hydraulic cement concrete mixers combined with distributing means specially adapted for road building

• US Classifications

  • 366 - Agitating
  • 241 - Solid material comminution or disintegration