1991297

Information

• Patent Grant
• 1991297

• References
• Source

• Patent Number

  1,991,297

• Date Filed

  Not available

• Date Issued

  Tuesday, February 12, 1935
  89 years ago

• CPC

  • B28C5/4275 - with a drum rotating about a horizontal axis
  • B28C5/4234 - Charge or discharge systems therefor
  • B60P3/16 - for carrying mixed concrete

• US Classifications

  • 414 - Material or article handling