Toy building element
USD313438S · kind S · design
13Cited by
5References
1Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 9, 1989 |
| Grant date | Jan 1, 1991 |
| Priority date | — |
| Expiry date | Jan 1, 2005 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.