US PATENT SUBCLASS 52 / 745.14
.~.~.~ Hinged unit

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

741.1  DF  PROCESSES {14}
745.05  DF  .~ Barrier construction {3}
745.13  DF  .~.~ Using prefabricated unit {1}
745.14.~.~.~ Hinged unit

DEFINITION

Classification: 52/745.14

Hinged unit:

(under subclass 745.13) Subject matter wherein separate units are joined by hinge elements.