US PATENT SUBCLASS 404 / 37
.~.~ Including spacer means

Current as of: June, 1999
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404 /   HD   ROAD STRUCTURE, PROCESS, OR APPARATUS

17  DF  PAVEMENT {9}
34  DF  .~ Modules or blocks (preformed) {9}
37.~.~ Including spacer means {1}
38  DF  .~.~.~> Integral {1}

DEFINITION

Classification: 404/37

(under subclass 34) Preformed module structure with means to separate one module edge or face from another.

(1) Note. This separation is usually for the reception of a binder or filler to secure individual modules in place.

SEE OR SEARCH CLASS

52, Static Structures (e.g., Buildings),

603, for stone-like modules of general utility with integral spacer means. This subclass must be searched for this feature.