Rolling toy
US6485349B1 · kind B1 · utility
23Cited by
30References
28Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 15, 2001 |
| Grant date | Nov 26, 2002 |
| Priority date | — |
| Expiry date | May 15, 2021 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA63H29/08
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
A rolling toy having a tubular assembly with a helical ridge that guides movement of a ball within the tubular assembly when the toy is rolled.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.