Woven window shade

Details Woven window shade Woven window shade

2000-09-26

2001-08-21

Purol, David M. (Department: 3634)

Flexible or portable closure, partition, or panel

Plural strip, slat, or panel type

Movably interconnected

C160SDIG007

Reexamination Certificate

active

06276429

ABSTRACT:

BACKGROUND OF THE INVENTION
1. Field of the Invention
The present invention relates to a window shade, and more particularly to a woven window shade fabricated from multiple twisted elements.
2. Description of Related Art
A window shade is used to block the sunlight and make the inside environment more comfortable for a user. With reference to
FIG. 3
, a conventional window shade in accordance with the prior art comprises multiple blind slats (
30
) woven together by two weaving threads (
32
). Each conventional blind slat (
30
) is a long, flat piece of wood or bamboo. The slats (
30
) in the conventional window shade effectively block the sunlight. However, the conventional wooden or bamboo shade is virtually airtight. The temperature of the blind slats (
30
) will increase after a period of time in sunlight, will trap heat and humidity inside and will cause the inside environment to be sultry. In addition, the conventional wooden or bamboo shade lacks decorative versatility.
To overcome the shortcomings, the present invention tends to provide an improved window shade to mitigate or obviate the aforementioned problems.
SUMMARY OF THE INVENTION
The main objective of the window shade in accordance with the present invention is to provide a woven window shade that will block sunlight and provide good ventilation. The window shade has multiple rods separately woven together by two weaving threads with at least one slat element of herb plant separating adjacent rods. This can keep the temperature of the shade from increasing and reduce the sultriness of the inside environment. In addition, the decorative versatility of the window shade can be improved.
Other objects, advantages and novel features ofthe invention will become more apparent from the following detailed description when taken in conjunction with the accompanying drawings.


REFERENCES:
patent: 1218556 (1917-03-01), Hough
patent: 1252112 (1918-01-01), Hough
patent: 1810899 (1931-06-01), Boehm
patent: 2244300 (1941-06-01), Kwon
patent: 2339113 (1944-01-01), Sarran et al.
patent: 2577667 (1951-12-01), Waite
patent: 2724434 (1955-11-01), Smith
patent: 3124195 (1964-03-01), Anderson
patent: 3581799 (1971-06-01), Bischoff
patent: 4240490 (1980-12-01), Ford

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