3474581

Information

• Patent Grant
• 3474581

• References
• Source

• Patent Number

  3,474,581

• Date Filed

  Not available

• Date Issued

  Tuesday, October 28, 1969
  55 years ago

• CPC

  • E04B1/36 - Bearings or like supports allowing movement
  • E01C7/145 - Sliding coverings, underlayers or intermediate layers ; Isolating or separating intermediate layers; Transmission of shearing force in horizontal intermediate planes
  • E01C13/105 - of artificially refrigerated rinks or runs
  • E01D19/125 - Grating or flooring for bridges
  • E04B1/92 - Protection against other undesired influences or dangers
  • E04B5/36 - with form units as part of the floor
  • E01D2101/26 - reinforced

• US Classifications

  • 052 - Static structures
  • 264 - Plastic and nonmetallic article shaping or treating: processes
  • 404 - Road structure, process, or apparatus