US PATENT SUBCLASS 52 / 405.1
.~ Stonelike type (e.g., concrete, masonry) shell

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.~ Stonelike type (e.g., concrete, masonry) shell {3}
405.2  DF  .~.~> Shell having end interfitting means
405.3  DF  .~.~> Having reinforcement in shell or insert
405.4  DF  .~.~> Insert having aligning feature

DEFINITION

Classification: 52/405.1

Stonelike-type (e.g., concrete, masonry) shell:

(under subclass 404.1) Insulating insert in which the barrier is or contains, as a primary component, a settable material, e.g., concrete.