Transparent envelope
USD279990S · kind S · design
9Cited by
8References
1Claims
0Family size
Inventor
Key dates
| Filing date | Jul 6, 1982 |
| Grant date | Aug 6, 1985 |
| Priority date | — |
| Expiry date | Aug 6, 1999 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.