2880977

Information

• Patent Grant
• 2880977

• References
• Source

• Patent Number

  2,880,977

• Date Filed

  Not available

• Date Issued

  Tuesday, April 7, 1959
  65 years ago

• CPC

  • B28C5/4251 - telescopic or foldable chutes
  • B28C5/4248 - using chutes
  • B28C5/4282 - with moving mixing tools in a stationary container
  • B60P1/16 - actuated by fluid-operated mechansisms
  • B60P3/16 - for carrying mixed concrete

• US Classifications

  • 366 - Agitating
  • 193 - Conveyors, chutes, skids, guides, and ways
  • 298 - Land vehicles: dumping