US PATENT SUBCLASS 52 / 204.71
.~ U-shaped channel formed of separate strips overlapping pane edge, front, and back

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

204.5  DF  WINDOW OR WINDOW SASH, SILL, MULLION, OR GLAZING {13}
204.71.~ U-shaped channel formed of separate strips overlapping pane edge, front, and back {1}
204.72  DF  .~.~> With mechanical fastener for securing strips

DEFINITION

Classification: 52/204.71

U-shaped channel formed of separate strips overlapping pane edge, front, and back:

(under subclass 204.5) Window wherein the periphery of the window has independent members forming the letter "U" which

cover both the pane thickness and extend over a portion of both major faces.