Patent · US Expired

Rotary display music box

US4910897A · kind A · utility

8Cited by
3References
6Claims
0Family size

Inventor

Key dates

Filing dateSep 26, 1988
Grant dateMar 27, 1990
Priority date
Expiry dateSep 26, 2008

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG09F27/00
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

A rotary music box adapted for use on special occasions, such as baby showers, birthdays and weddings. Space is provided on the rotating music box for displaying photographs or cards pertinent to the event being celebrated.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.