Patent · US Expired

Novelty device with flowable particulate

US6135843A · kind A · utility

3Cited by
3References
19Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 9, 1999
Grant dateOct 24, 2000
Priority date
Expiry dateApr 9, 2019

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA63H33/32
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

A novelty device comprised of a transparent body defined by a chamber. First and second horizonal partitions having a plurality of openings depicting text or design traversing said chamber. The first and second partitions in a generally spaced parallel relationship dividing the chamber into a top area, a central area between the partitions and a bottom area. A particulate film material disposed within the chamber.

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