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US 5,664,613 AGranted
Light control window covering
AssigneeVerosol USA Inc.
InventorRalph Jelic
Life of this patent
Estimating the term…
Abstract
A window covering has a sheet of light admitting material which forms a back sheet and a series of spaced apart, generally parallel strips attached at one edge to the back sheet and attached at an opposite edge to an adjacent strip. Each strip contains a light impeding portion and a light admitting portion.
Claims16
A window covering comprising:
- a. a sheet of light admitting material;
- and
- b. a plurality of strips each strip comprised of
- i. a light impeding portion having an outer edge attached to the sheet of light admitting material and an inner edge;
- and
- ii. a light admitting portion having an inner edge attached to the inner edge of the light impeding portion and an outer edge attached to an adjacent one of the plurality of strips
- such that the light impeding portions are bonded to the sheet along a series of spaced apart, generally parallel bond lines.
4 more elements
Dependencies are inferred from the claim text.