US PATENT SUBCLASS 52 / 405.2
.~.~ Shell having end interfitting means

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

404.1  DF  INSULATING INSERT; E.G., FILLER IN CAVITY IN PRECONSTRUCTED OR CAST STRUCTURE {7}
405.1  DF  .~ Stonelike type (e.g., concrete, masonry) shell {3}
405.2.~.~ Shell having end interfitting means

DEFINITION

Classification: 52/405.2

Shell having end interfitting means:

(under subclass 405.1) Insulating insert shell including a module having features such as projections and depressions on at least one side thereof that align with similar features of adjacent modules for connecting the modules together.