Pen
USD242792S · kind S · design
12Cited by
3References
1Claims
0Family size
Inventor
Key dates
| Filing date | Jul 15, 1974 |
| Grant date | Dec 21, 1976 |
| Priority date | — |
| Expiry date | Dec 21, 1990 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.