Crawl space door and frame with interior flange
USD448489S · kind S · design
12Cited by
9References
1Claims
0Family size
Inventors
Key dates
| Filing date | Sep 25, 1999 |
| Grant date | Sep 25, 2001 |
| Priority date | — |
| Expiry date | Sep 25, 2015 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.