Patent · US Expired

Car seat level indicator

US5058283A · kind A · utility

57Cited by
10References
5Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 19, 1990
Grant dateOct 22, 1991
Priority date
Expiry dateNov 19, 2010

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG01C9/34
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

A positioning device for a car seat indicates when the car seat has been properly positioned in an automobile or on a shopping cart. The positioning device includes a paper backing which is encapsulated in a plastic housing. The plastic housing includes a relief projection in the shape of an arc. A ball slides within the relief projection and against the paper backing. Printed information on the paper backing indicates when the seat is in the proper orientation according to the position of the ball.

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