Automatic pencil
USD288825S · kind S · design
29Cited by
5References
1Claims
0Family size
Inventors
Key dates
| Filing date | Sep 17, 1984 |
| Grant date | Mar 17, 1987 |
| Priority date | — |
| Expiry date | Mar 17, 2001 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.