US PATENT SUBCLASS 160 / 141
.~.~.~.~.~ One operator a spring

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

Internet Version by PATENTEC © 1999      Terms of Use


160 /   HD   FLEXIBLE OR PORTABLE CLOSURE, PARTITION, OR PANEL

130  DF  PLURAL STRIP, SLAT, OR PANEL TYPE {11}
136  DF  .~ Parallelogram type {6}
138  DF  .~.~ With operator {1}
139  DF  .~.~.~ Unit collapsing only {6}
140  DF  .~.~.~.~ Diverse types of operators {2}
141.~.~.~.~.~ One operator a spring

DEFINITION

Classification: 160/141

(under subclass 140) Devices wherein one of the operators is a spring.

SEE OR SEARCH THIS CLASS, SUBCLASS:

144+, for other spring type operators.