US PATENT SUBCLASS 220 / FOR 156
.~ Intermediate foamed-in-situ layer (220/444)

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


220 /   HD   RECEPTACLES

FOR 127  DF  MULTILAYER BARRIER STRUCTURE (220/415) {23}
FOR 156.~ Intermediate foamed-in-situ layer (220/444)

DEFINITION

Classification: 220/FOR.156

Intermediate foamed-in-situ layer:

Foreign art collections including a container wherein a stratum of expanded cellular material is chemically formed or produced within or between previously established layers.