1885720

Information

• Patent Grant
• 1885720

• References
• Source

• Patent Number

  1,885,720

• Date Filed

  Not available

• Date Issued

  Tuesday, November 1, 1932
  92 years ago

• CPC

  • E01C5/22 - made of units composed of a mixture of materials covered by two or more of groups E01C5/008 , E01C5/02 - E01C5/20 except embedded reinforcing materials
  • B28B7/0044 - the sidewalls of the mould being only tilted away from the sidewalls of the moulded article
  • B28B19/0007 - for producing articles with exposed aggregate
  • E01C2201/04 - consisting of natural stones and a binder

• US Classifications

  • 404 - Road structure, process, or apparatus