Original Publication Date: 1979-Mar-01
Included in the Prior Art Database: 2005-Feb-20
The drawing shows representative keys of a keyboard having changeable nomenclature. A key has a top striking surface 2 and a ledge 3 below the striking surface. A standard nomenclature is carried on the ledge of each key. In this position the nomenclature can be seen by a user of the keyboard, but the nomenclature is on a non-wearing surface.