Playground roundabout
USD330403S · kind S · design
13Cited by
6References
1Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Feb 4, 1991 |
| Grant date | Oct 20, 1992 |
| Priority date | — |
| Expiry date | Oct 20, 2006 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.