US PATENT SUBCLASS 49 / 169
.~.~ Within encompassing closure

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

149  DF  MOUNTED FOR OPTIONAL MOVEMENTS {12}
163  DF  .~ One closure movable separately from or with other closure {4}
169.~.~ Within encompassing closure {2}
170  DF  .~.~.~> With common edge
171  DF  .~.~.~> Viewing, ventilating, or packet passage

DEFINITION

Classification: 49/169

(under subclass 163) Device including an auxiliary closure (often termed a wicket) mounted within a main closure so that the major portion of its periphery (i.e., three sides) is surrounded by the main closure, and wherein the auxiliary

closure is mounted for movement relative to the main closure.

(1) Note. A mere surrounding marginal frame has not been considered a main closure for this and the indented subclasses. The main closure must be a closure for a substantial area in and of itself. See the search notes below for exemplary loci of closures mounted for movement in surrounding frames.

SEE OR SEARCH THIS CLASS, SUBCLASS:

48, for a closure with a section for signalling.

161, for a pivoted closure in a double hung frame.

176+, for a closure pivotally movable relative to a sliding frame. SEE OR SEARCH CLASS

160, Flexible or Portable Closure, Partition, or Panel,

180, for a similar arrangement of the type of closure in that class.