Changeable decorations and parts thereof, decorations for the case which change the

Official title: {Changeable decorations and parts thereof, decorations for the case which change the external appearance of the clockwork (clip-on -, sliding - or tilting protective lids or covers G04B37/005; with a clockwork which can be mounted on different cases for changing its external appearance G04B37/0427; clockworks which can be mounted in different cases for changing their purpose G04B37/14; decoration of the case or parts thereof G04B45/0076; changeable pictures or inscriptions G04B45/0092)}

G04B47/046 (Changeable decorations and parts thereof, decorations for the case which change the) appears on 53 US grants and 41 published applications in this corpus.