Crawl space door and frame with exterior flange
USD446317S · kind S · design
15Cited by
10References
1Claims
0Family size
Inventors
Key dates
| Filing date | Oct 20, 1999 |
| Grant date | Aug 7, 2001 |
| Priority date | — |
| Expiry date | Aug 7, 2015 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.