Weighing scales – With casing closure or shield
Reexamination Certificate
2004-11-19
2008-09-09
Gibson, Randy W (Department: 2841)
Weighing scales
With casing closure or shield
C177S238000
Reexamination Certificate
active
07423226
ABSTRACT:
A balance (1, 101) has a draft protection device (2) that encloses a weighing compartment surrounding the weighing pan (15). A rear wall (22, 122) delimiting the weighing compartment on one side is made of a material (26) that diffuses the transmitted ambient light. The translucent, light-diffusing material (26) is in particular a frosted glass.
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Edward Ruechardt (“Ruechardt”), Light Visible and Invisible, The University of Michigan Press, Ch. 8, 101-109 (1958).
Kurt Nassau (“Nassau”), The Physics and Chemistry of Color (The Fifteen Causes of Color), John Wiley & Sons, Ch. 11, 232-243 (1983).
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Emery Jean-Christophe
Leisinger Roger
Rotach Hansjörg
Gibson Randy W
Mettler-Toledo AG
Standley Law Group LLP
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