Rotatable poster display unit
US3947987A · kind A · utility
16Cited by
9References
2Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Nov 5, 1973 |
| Grant date | Apr 6, 1976 |
| Priority date | — |
| Expiry date | Nov 5, 1993 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG09F7/22
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A poster display unit having a central core provided with means for mounting the same for rotation about a predetermined axis. A sheet of corrugated material wrapped around the core and releasably held at its opposed, outer marginal edges thereto permits posters to be secured by fasteners, such as pins or the like, to the sheet and the sheet can be of any one of a number of different colors or designs. The core itself may be of cardboard material to permit pins to extend into the same. In a preferred embodiment, the unit is mounted for rotation about a vertical axis.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.