US PATENT SUBCLASS 16 / 401
.~ Spring


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

Internet Version by PATENTEC © 1999      Terms of Use



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.