1650554

Information

• Patent Grant
• 1650554

• References
• Source

• Patent Number

  1,650,554

• Date Filed

  Not available

• Date Issued

  Tuesday, November 22, 1927
  97 years ago

• CPC

  • E01C7/145 - Sliding coverings, underlayers or intermediate layers ; Isolating or separating intermediate layers; Transmission of shearing force in horizontal intermediate planes

• US Classifications

  • 404 - Road structure, process, or apparatus