US PATENT SUBCLASS 49 / 173
.~.~ Coil spring bias coaxial of closure pivot

Current as of: June, 1999
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49 /   HD   MOVABLE OR REMOVABLE CLOSURES

149  DF  MOUNTED FOR OPTIONAL MOVEMENTS {12}
172  DF  .~ Edgewise separable stile-slide supports closure for vertical swinging {1}
173.~.~ Coil spring bias coaxial of closure pivot

DEFINITION

Classification: 49/173

(under subclass 172) Device wherein the closure and stile slide are urged together by a coil spring having the same longitudinal axis as the closure pivot.