US PATENT SUBCLASS 52 / 570
.~.~ Locking type; i.e., against lateral separation

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

561  DF  LATERALLY RELATED, INDIVIDUALLY ASSEMBLED COURSES {4}
569  DF  .~ Opposed lateral monolithic projections on modules {2}
570.~.~ Locking type; i.e., against lateral separation {1}
571  DF  .~.~.~> Additional lock means between projections

DEFINITION

Classification: 52/570

(under subclass 569) Structure wherein the projections include means which mutually engage and positively prevent separation of the modules in opposed courses.

SEE OR SEARCH THIS CLASS, SUBCLASS:

567, for a construction with traversing header with internal lockhead.

568, for a construction with a hidden joining member.