Workbench
USD253212S · kind S · design
18Cited by
3References
1Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 3, 1977 |
| Grant date | Oct 23, 1979 |
| Priority date | — |
| Expiry date | Oct 23, 1993 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.