US PATENT SUBCLASS 267 / 181
FORAMINATED
Current as of: June, 1999
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DEFINITION
Classification: 267/181
(under the class definition) Spring device in which the spring element is a multiperforate body.
SEE OR SEARCH THIS CLASS, SUBCLASS:
147, for a compressed wire mesh spring element.
161+, or 163, for a spring device flat-surfaced element which is slotted to provide bending planes.
