Doorknob
USD415947S · kind S · design
14Cited by
4References
1Claims
0Family size
Inventor
Key dates
| Filing date | Dec 10, 1998 |
| Grant date | Nov 2, 1999 |
| Priority date | — |
| Expiry date | Nov 2, 2013 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.