Self-standing floor sign
US4253260A · kind A · utility
48Cited by
4References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 18, 1979 |
| Grant date | Mar 3, 1981 |
| Priority date | — |
| Expiry date | Oct 18, 1999 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG09F15/0062
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A self-standing floor sign comprising two panels (15 and 16) hinged together at their upper ends, one panel (16) having a tubular hinge portion (24) provided with a slot (27) (28), the other panel having a core (31) (32) rotatable in said hinge portion (24), said core having a laterally directed U-shaped notch (31') (32') adapted to allow said core to hook into and pass laterally through said slot (27) (28) into said hinge portion (24) by simultaneously rotating and pressing radially inward on said core (31) (32) to snap it past the upper edge of said slot (27) (28).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.