Patent · US Expired

Safety gate

US4583715A · kind A · utility

66Cited by
4References
16Claims
0Family size

Inventor

Key dates

Filing dateNov 14, 1984
Grant dateApr 22, 1986
Priority date
Expiry dateNov 14, 2004

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T24/1476
  • WIPO fieldCivil engineering
  • WIPO sectorOther fields

Abstract

A safety barrier of the type for a hall or doorway to prevent passage of children, animals or the like. The barrier is expandable to completely block the passageway, and is provided with a pivoting gate in a portion thereof which may be opened as required to permit passage through the barrier.

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