Patent · US Active

Variable resistance door stay apparatus

US10196844B2 · kind B2 · utility

0Cited by
27References
10Claims
0Family size

Assignee

Inventor

Key dates

Filing dateAug 3, 2015
Grant dateFeb 5, 2019
Priority date
Expiry dateAug 3, 2035

Classification

  • Technology area (CPC E)Fixed Constructions
  • CPC primaryE05C19/18
  • WIPO fieldCivil engineering
  • WIPO sectorOther fields

Abstract

A variable resistance door stay apparatus is disclosed. The door stay is provided with an adjustable tightening nut that slides inside a longitudinal slot in a ridged member. A method is disclosed for proving variable resistance to rotational of a door.

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