Patent ID: 9663983
Date: 2017-05-30
CPC Classifications: E06B

Claim:
1. A supplemental window apparatus for a window having a first window element, a second window element, and a sealing interface located between the first window element and the second window element, the supplemental window apparatus comprising: a substantially non porous sheet material; a spacer coupled to the sheet material and an attachment mechanism operative to attach the supplemental window apparatus to a window pane of the window with the sheet material positioned substantially parallel to the window pane, wherein the spacer and the attachment mechanism determine a distance between the window pane and the sheet material when the supplemental window apparatus is attached to the window pane; a plurality of infiltration blockers each configured to contact the sheet material and at least one of the first window element holding the window pane or the second window element to substantially enclose an interior side of the first window element holding the window pane when the supplemental window apparatus is installed on the window; and a corner brace positioned in a corner of the supplemental window apparatus created by an intersection of two adjacent infiltration blockers of the plurality of infiltration blockers, the corner brace operative to aid in substantially blocking air movement between an exterior side and an interior side of the infiltration blockers in the corner of the supplemental window apparatus.