One-way viewable screen

Details One-way viewable screen One-way viewable screen

2004-09-15

2008-09-23

Watkins, III, William P (Department: 1794)

Stock material or miscellaneous articles

Structurally defined web or sheet

Including aperture

C442S006000, C442S132000, C442S133000

Reexamination Certificate

active

07427433

ABSTRACT:
A screen or fencing structure which provides one-way viewing characteristics under conditions of substantially equal lighting on each side of the structure is described. The structure has a fabric which has a light transmission of about 2.8% to about 25%. The first side of the structure has an overall light reflectance to light transmission ratio of greater or equal to about 2.5, and the opposite side of the structure has an overall light reflectance to light transmission ratio of less than or equal to about 2. Fabrics that can be used to make screens are also described.

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patent: 6030687 (2000-02-01), Andriash
patent: RE37186 (2001-05-01), Hill
patent: 6258429 (2001-07-01), Nelson
patent: 6507413 (2003-01-01), Mueller et al.

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