US PATENT SUBCLASS 52 / 91.1
.~ Self-supporting cover (i.e., without distinct rafters)

Current as of: June, 1999
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52 /   HD   STATIC STRUCTURES (E.G., BUILDINGS)

90.1  DF  INCLINED TOP COVER (E.G., ROOF, A-FRAME) {4}
91.1.~ Self-supporting cover (i.e., without distinct rafters) {2}
91.2  DF  .~.~> Eave fixed by masonry or settable material
91.3  DF  .~.~> Connection for abutting cover sections

DEFINITION

Classification: 52/91.1

Self-supporting cover (i.e., without distinct rafters):

(under subclass 90.1) Inclined cover in which a roof spans from eaves to ridge without being supported by an underlying frame, beam, etc.