US PATENT SUBCLASS 297 / 452.53
.~.~.~.~ Encapsulated by cushion

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

Internet Version by PATENTEC © 1999      Terms of Use


297 /   HD   CHAIRS AND SEATS

452.1  DF  BOTTOM OR BACK {12}
452.48  DF  .~ Cushioned {3}
452.49  DF  .~.~ Including a support spring {3}
452.52  DF  .~.~.~ Noncoil wire spring (e.g., linear or sinuous wires, etc.) {1}
452.53.~.~.~.~ Encapsulated by cushion

DEFINITION

Classification: 297/452.53

Encapsulated by cushion:

(under subclass 452.52) Device wherein the noncoil wire spring is embedded internally in the cushioning material.