US PATENT SUBCLASS 52 / 81.2
.~.~ Having an underlying grid frame

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

80.1  DF  COMPOUND CURVE STRUCTURE {3}
81.1  DF  .~ Geodesic shape {2}
81.2.~.~ Having an underlying grid frame {1}
81.3  DF  .~.~.~> Frame connection detail

DEFINITION

Classification: 52/81.2

Having an underlying grid frame:

(under subclass 81.1) Geodesic shape comprising a network of uniformly spaced members which support cover panels.

SEE OR SEARCH THIS CLASS, SUBCLASS:

648.1+, for three dimensional openwork.