Patent · US Expired

Mechanical hand for a door-opener

US4423999A · kind A · utility

31Cited by
6References
3Claims
0Family size

Assignee

Inventor

Key dates

Filing dateSep 14, 1981
Grant dateJan 3, 1984
Priority date
Expiry dateSep 14, 2001

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB05B13/0292
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

A mechanical hand for use with a door-opener and having a pair of pivotable members, one of which is insertable into the window pane slot of a vehicle door, and the other of which engages the inner panel of the vehicle door so that the latter is capable of being opened and closed by the door-opener.

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