Chemical detergent block
USD334420S · kind S · design
88Cited by
15References
1Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 14, 1991 |
| Grant date | Mar 30, 1993 |
| Priority date | — |
| Expiry date | Mar 30, 2007 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.