Balloon headgear
USD336543S · kind S · design
19Cited by
5References
1Claims
0Family size
Inventors
Key dates
| Filing date | Apr 12, 1989 |
| Grant date | Jun 15, 1993 |
| Priority date | — |
| Expiry date | Jun 15, 2007 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.