Static structures (e.g. – buildings) – Transparent panel having active treatment with gas or liquid – Hygroscopic material; e.g. – internal drier
Reexamination Certificate
2005-05-03
2005-05-03
Safavi, Michael (Department: 3673)
Static structures (e.g., buildings)
Transparent panel having active treatment with gas or liquid
Hygroscopic material; e.g., internal drier
C052S204620, C052S204700, C052S786100
Reexamination Certificate
active
06886297
ABSTRACT:
An insulating unitless window sash includes a sash frame made of four linear sash members having their mitered edges joined together. Each of the sash members in cross section includes a peripheral surface, a first and outer side walls and a first groove spaced from a second groove. Each of the grooves has a base and spaced walls. The base of the first groove is spaced a greater distance from the peripheral surface than the base of the second groove. Peripheral and marginal edges of a first sheet are in the first groove and peripheral and marginal edges of a second sheet are in the second groove. A shim is mounted on the sash frame adjacent the outer surface of the first sheet to give a balance configuration.
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PPG Industries Ohio Inc.
Safavi Michael
Siminerio Andrew C.
LandOfFree
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