US PATENT SUBCLASS 267 / 143
.~ Compound

Current as of: June, 1999
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267 /   HD   SPRING DEVICES

142  DF  CUSHION FOR HUMAN COMFORT {4}
143.~ Compound

DEFINITION

Classification: 267/143

(under subclass 142) Spring device comprising a plurality of spring elements of construction diverse from one another.

(1) Note. Diversity of construction is recognizable by separate, coordinate classification concerning the element; e.g., coil, torsion, rubber.

SEE OR SEARCH THIS CLASS, SUBCLASS:

151+, for compound coil springs of general utility; e.g., subclass 152, in which one of the diverse elements is an elastomeric body.