US PATENT SUBCLASS 297 / 452.47
.~.~.~ Aperture in upholstery

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}
452.42  DF  .~ Including a ventilating means {2}
452.46  DF  .~.~ Apertures in primary bottom or back {1}
452.47.~.~.~ Aperture in upholstery

DEFINITION

Classification: 297/452.47

Aperture in upholstery:

(under subclass 452.46) Device wherein the primary bottom or back of the seating device includes covering material; e.g., a cover, padding, etc., wherein the holes are formed in the covering material of the primary bottom or back.