(under the class definition) Structure forming a complete enclosure and including a thin, flexible, flaccid, nonmetallic or foraminous membrane which forms an exposed surfacing and is stretched between elongated members of its substructure.
SEE OR SEARCH THIS CLASS, SUBCLASS:
2.11+, for a structure strengthened by internal fluid pressure, e.g., inflated.
3+, for an article supported cover.
64+, for a collapsible type structure of rigid panels interconnected for repositioning.
222, for a tensioned sheet facing.
273, for a shaped or edge attached flexible covering, e.g., carpet, in contact with a barrier. 393+, for a relatively yieldable preformed separator.
404.1+, for insulation in a hollow cavity.
518+, for a shingle type surfacing.
782.1+, for a composite panel.
SEE OR SEARCH CLASS
135, Tent, Canopy, Umbrella, or Cane,
87+, for structures having a flexible covering without rigid panels preformed before in situ erection and see the reference to Class 135 in the class definition of Class 52.
312, Supports: Cabinet Structure,
3+, for an enclosure having a flexible covering and also an article support.