1898890

Information

• Patent Grant
• 1898890

• References
• Source

• Patent Number

  1,898,890

• Date Filed

  Not available

• Date Issued

  Tuesday, February 21, 1933
  91 years ago

• CPC

  • B28C7/022 - by measuring the consistency or composition of the mixture

• US Classifications

  • 073 - Measuring and testing
  • 177 - Weighing scales
  • 235 - Registers