2197878

Information

• Patent Grant
• 2197878

• References
• Source

• Patent Number

  2,197,878

• Date Filed

  Not available

• Date Issued

  Tuesday, April 23, 1940
  84 years ago

• CPC

  • E01C19/21 - for simultaneously but separately applying liquid material and granular or pulverulent material
  • E01C19/4813 - the materials being simultaneously but seperately applied binders and granular or pulverulent material

• US Classifications

  • 404 - Road structure, process, or apparatus
  • 118 - Coating apparatus