(under the class definition) Device wherein the closure is mounted so as to be readily physically disassociated from its supporting portal forming structure.
SEE OR SEARCH THIS CLASS, SUBCLASS:
55, for a removable substitute safety guard adjustable to various size closure openings.
57, for a removable protective grille or substitute safety guard.
62, for an auxiliary closure which is removably mounted on a primary closure.
380, for a movable closure mounted on a removable supporting frame.
389, for a swinging closure which is removable in an inclined position. 453, for a reciprocating closure in which the slide or guide permits removal of the closure, and see the search notes thereto for the loci of other removable reciprocating closures.
SEE OR SEARCH CLASS
52, Static Structures (e.g., Buildings), appropriate subclasses, and especially
476, for a peripheral frame with a releasable section to enable removal of a damaged panel and subclasses 764+ for a rigid frame member with a separable fastener for a panel, usually a pane.
160, Flexible or Portable Closure, Partition, or Panel,
215+, for a removable plural strip, slat or panel type closure.
296, Land Vehicles: Bodies and Tops,
148, for removable side panels which converts a vehicle body
from an open to a closed type; and subclass 218 for a vehicle having a roof and having an opening therein and closure for said opening wherein the closure may be removed from the roof.