Patent · US Expired

Seats

US4911502A · kind A · utility

7Cited by
9References
10Claims
0Family size

Inventor

Key dates

Filing dateJul 7, 1983
Grant dateMar 27, 1990
Priority date
Expiry dateJul 7, 2003

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA47C7/46
  • WIPO fieldFurniture, games
  • WIPO sectorOther fields

Abstract

A seat comprising a seat portion the upper surface of which is inclined downwardly from front to back at an angle in excess of 10.degree. from the horizontal and a back support comprising support members which support the pelvic girdle on either side of the spine in that region of the pelvic girdle between the iliac crest and the posterior superior iliac spine.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.