Protective device against aggressions
US4463685A · kind A · utility
0Cited by
9References
24Claims
0Family size
Inventor
Key dates
| Filing date | Sep 25, 1981 |
| Grant date | Aug 7, 1984 |
| Priority date | — |
| Expiry date | Sep 25, 2001 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE05G7/004
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
The invention relates to a protective device against aggression. The protective device against aggression is designed to close the free space situated above the tray of a counter or cash-desk rapidly from below upwards. The closing means comprise a tray movable upwards from a lowered position in which it is substantially horizontal to a raised vertical position blocking said space.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.