1830934

Information

• Patent Grant
• 1830934

• References
• Source

• Patent Number

  1,830,934

• Date Filed

  Not available

• Date Issued

  Tuesday, November 10, 1931
  93 years ago

• CPC

  • C04B33/16 - Lean materials

• US Classifications

  • 106 - Compositions: coating or plastic
  • 209 - Classifying, separating, and assorting solids
  • 501 - Compositions: ceramic