Patent · US Expired

Power window device

US4808894A · kind A · utility

13Cited by
7References
3Claims
0Family size

Assignee

Inventor

Key dates

Filing dateNov 13, 1987
Grant dateFeb 28, 1989
Priority date
Expiry dateNov 13, 2007

Classification

  • Technology area (CPC E)Fixed Constructions
  • CPC primaryE05Y2900/55
  • WIPO fieldCivil engineering
  • WIPO sectorOther fields

Abstract

A power window device is adapted to drive a motor which automatically closes a windowpane of a car in response to door locking of the car, and cut the drive power for the motor after a predetermined time.

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