Drum
USD298379S · kind S · design
2Cited by
4References
1Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 10, 1984 |
| Grant date | Nov 1, 1988 |
| Priority date | — |
| Expiry date | Nov 1, 2002 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.