US PATENT SUBCLASS 52 / 741.3
.~ Protection

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

741.1  DF  PROCESSES {14}
741.3.~ Protection

DEFINITION

Classification: 52/741.3

Protection:

(under subclass 741.1) Subject matter wherein the process comprises a method of treatment or construction of a unit, whereby deterioration of said unit (e.g., by fire, corrosion, etc.) is prevented or retarded.