Butt portion of a roofing shingle
USD417016S · kind S · design
14Cited by
3References
1Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 3, 1998 |
| Grant date | Nov 23, 1999 |
| Priority date | — |
| Expiry date | Nov 23, 2013 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.