US PATENT SUBCLASS 16 / 401
.~ Spring

Current as of: June, 1999
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16 /   HD   MISCELLANEOUS HARDWARE

400  DF  COUNTERBALANCE DEVICE, PER SE {1}
401.~ Spring

DEFINITION

Classification: 16/401

Spring:

(under subclass 400) Counterbalance device, wherein the counterpoise comprises a resilient member stressed within its elastic limit.

(1) Note. A helical or torsion springs are included herein.

SEE OR SEARCH THIS CLASS, SUBCLASS:

400, for a counterbalance device, per se.