Patents by Inventor Michael C. Lafevre

Michael C. Lafevre has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 5560149
    Abstract: A storm resistant window has a window frame and a window sash of preferably-aluminum extruded frame members, a glass and polymer safety glass, clamping glazing beads that bear sealingly on the glass, and a sash locking clasp arrangement. The window resists impacts characteristic of windblown hurricane debris, for example, and is resilient enough to damp wind loads induced by 75 mph (120 kph) winds, with resilient arching and twisting of the frame members. The clamping glazing beads are snap-fitted to lock tightly in the associated superstructure around the glazing, deforming resilient weatherseals against the outer surface of the safety glass. The safety glass has coextensive annealed glass and polymer layers. An additional polymer strip and a bead of adhesive affix the glazing on the inside for resisting abrasion of the polymer side against the frame. The window includes a latch for a positive locking connection between the frame and the sash within the frame.
    Type: Grant
    Filed: October 24, 1994
    Date of Patent: October 1, 1996
    Inventor: Michael C. Lafevre