US PATENT SUBCLASS 49 / 430
.~.~.~ Counterbalance within jamb-guide gap

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

404  DF  WITH MEANS MOUNTING CLOSURE FOR RECIPROCATION {16}
428  DF  .~ Diverse or springy material guide or slide {4}
429  DF  .~.~ Cooperates with counterbalance hardware {1}
430.~.~.~ Counterbalance within jamb-guide gap

DEFINITION

Classification: 49/430

(under subclass 429) Device wherein a guide is mounted outwardly of the side jamb of the frame and between the jamb and closure, and wherein the counterbalance spring or weight is received between the guide and jamb.

SEE OR SEARCH THIS CLASS, SUBCLASS:

447+, for a counterbalance weight received within a recess behind a guide, i.e., within a hollow jamb.