Helm chair
USD336791S · kind S · design
29Cited by
8References
1Claims
0Family size
Inventor
Key dates
| Filing date | May 29, 1991 |
| Grant date | Jun 29, 1993 |
| Priority date | — |
| Expiry date | Jun 29, 2007 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.