Back plate
USD305863S · kind S · design
93Cited by
4References
1Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 21, 1986 |
| Grant date | Feb 6, 1990 |
| Priority date | — |
| Expiry date | Feb 6, 2004 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.