US PATENT SUBCLASS 52 / 786.13
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Current as of: June, 1999
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52 /   HD   STATIC STRUCTURES (E.G., BUILDINGS)

782.1  DF  COMPOSITE PREFABRICATED PANEL INCLUDING ADJUNCTIVE MEANS {7}
783.1  DF  .~ Sandwich or hollow with sheet-like facing members {13}
786.1  DF  .~.~ Parallel, transparent panes (e.g., double glass window panel, etc.) {2}
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DEFINITION

Classification: 52/786.13

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(under subclass 786.1) Structure including a spacer member located between a pair of spaced, parallel transparent panes and positioned entirely within the boundary formed by the peripheral edge faces of the panes.