Butt segment of a shingle
USD300257S · kind S · design
50Cited by
3References
1Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Oct 22, 1985 |
| Grant date | Mar 14, 1989 |
| Priority date | — |
| Expiry date | Mar 14, 2003 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.