Patent Number: 6,167,656

Title: Security window assembly

Abstract: "A security window assembly comprising a frame having four members and a pane member securable within the frame. The bottom member of the frame contains a milled groove. The top member of the frame contains a stepped groove having a first groove of a first depth and a second groove of a second and deeper depth. The pane is installed by sliding it into the second depth groove to allow it clearance to then be installed in the bottom member groove. The pane can only be removed by sliding it into the second depth groove which removes the pane from the bottom member groove. When in place in the window, the pane is positioned within the bottom member groove and within the first depth groove of the top member. Clamps hold the pane in place."

Inventors: Devlin; Anthony (Rochester, NY), DiNoto; Mark J. (Rochester, NY)

Assignee: Fortress Security Windows Inc.

International Classification: E06B 5/02 (20060101); E06B 3/54 (20060101); E06B 5/10 (20060101); E06B 5/00 (20060101); E06B 5/11 (20060101); E06B 003/32 (); E06B 003/68 (); E06B 003/26 ()

Expiration Date: 01/02/2018