US PATENT SUBCLASS 267 / 165
.~.~ Zigzag or plural

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

158  DF  BENDABLE ALONG FLAT SURFACE (E.G., LEAF SPRING) {5}
164  DF  .~ Bow spring or superposed spring elements {1}
165.~.~ Zigzag or plural

DEFINITION

Classification: 267/165

(under subclass 164) Spring device comprising either (a) the structure of part (b) of the definition of subclass 164 or (b) the unitary spring element bent back upon itself at least twice to provide at least three portions sharing the common bending plane or flexural arc.