Patent US5664613A successfully refreshed from Google Patents.
US5664613A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Light control window covering
Assignee: International Window Fashions LLC
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Filing: 1996-06-03
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Granted: 1997-09-09
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Expires: 2016-06-03
Abstract
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.
Inventors
- 👤 Ralph Jelic
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-10 01:34
CPC Classifications
E; E06; E06B; E06B9/00; E06B9/24; E06B9/26; E06B9/262; E06B9/28; E06B9/30; E06B2009/2423; E06B2009/2435; E06B2009/2627
Claims Analysis
Total Claims: 17
Claim 1
Independent Claim
97 words
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.
Claim 2
Dependent Claim
97 words
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.
Claim 3
Dependent Claim
20 words
The window covering of claim 1 also comprising a headrail to which the sheet of light admitting material is attached.
Claim 4
Dependent Claim
21 words
The window covering of claim 2 also comprising a bottom rail to which the sheet of light admitting material is attached.
Claim 5
Dependent Claim
18 words
The window covering of claim 3 also comprising lift cords extending between the headrail and the bottom rail.
Claim 6
Dependent Claim
27 words
The window covering of claim 2 also comprising at least one rod attached to one of the sheet of light admitting material and one of the strips.
Claim 7
Dependent Claim
32 words
The window covering of claim 1 wherein the plurality of strips are comprised of an elongated piece of light admitting material to which an elongated piece of light impeding material is attached.
Claim 8
Dependent Claim
23 words
The window covering material of claim 6 wherein the elongated piece of light impeding material overlays the elongated piece of light admitting material.
Claim 9
Dependent Claim
15 words
The window covering of claim 1 wherein the light impeding portion has a mirror finish.
Claim 10
Dependent Claim
16 words
The window covering of claim 1 wherein the light impeding portion is imprinted with a logo.
Claim 11
Dependent Claim
16 words
The window covering of claim 1 wherein the strips are glued to the light admitting sheet.
Claim 12
Dependent Claim
30 words
The window covering of claim 10 where an adhesive that is tacky at a first temperature and melts at a second temperature glues the strips to the light admitting sheet.
Claim 13
Dependent Claim
13 words
The window covering of claim 11 wherein the adhesive is a polyester adhesive.
Claim 14
Dependent Claim
13 words
The window covering of claim 1 wherein the light admitting sheet is polyester.
Claim 15
Dependent Claim
23 words
The window covering of claim 1 wherein the light admitting portion has a width less than a width of the light impeding portion.
Claim 16
Dependent Claim
27 words
The window covering of claim 1 wherein the strips are lined with at least one of a score line, a perforated line and a compressed material line.
Claim 17
Dependent Claim
15 words
The window covering of claim 1 wherein each strip has at least one decorative edge.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 2000-09-08 | 2001-03-10 | 2001-09-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2004-09-08 | 2005-03-10 | 2005-09-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2008-09-08 | 2009-03-10 | 2009-09-09 | $7700.00 | Window Closed / Lapsed |