1806644

Information

• Patent Grant
• 1806644

• References
• Source

• Patent Number

  1,806,644

• Date Filed

  Not available

• Date Issued

  Tuesday, May 26, 1931
  93 years ago

• CPC

  • B28C7/161 - with storage reservoirs for temporarily storing the fresh concrete; Charging or discharging devices therefor

• US Classifications

  • 198 - Conveyors: power-driven