Price board
US4791739A · kind A · utility
17Cited by
9References
4Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 27, 1987 |
| Grant date | Dec 20, 1988 |
| Priority date | — |
| Expiry date | Apr 27, 2007 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG09F3/20
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A price board is described comprising a holder (10) for carriers for representing price information and/or other article information made up of a plurality of characters. At least the carriers for representing the individual characters at the points of the price information are cassettes (12) which are connectable to the holder (10) and each of which contains a complete set of all characters to be represented with them.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.