Serrefine
USD268523S · kind S · design
8Cited by
9References
1Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 13, 1980 |
| Grant date | Apr 5, 1983 |
| Priority date | — |
| Expiry date | Apr 5, 1997 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.