Patents Examined by Paul J. Thiebodeau
  • Reinforced tread assembly
    Patent number: 4285177
    Abstract: Reinforced tread assemblies for a stairway system having a tread formed of a reinforced concrete material and supported on a metal base member bonded to at least a portion of the underside of the tread to create a laminated construction. A nose section is integrally coupled to the base section and extends upward to protect the front portion of the tread from damage during use.
    Type: Grant
    Filed: January 7, 1980
    Date of Patent: August 25, 1981
    Assignee: American Stair Corporation, Inc.
    Inventor: Glen A. Seegers