Toilet air removal unit
USD344795S · kind S · design
4Cited by
20References
1Claims
0Family size
Inventor
Key dates
| Filing date | Dec 13, 1991 |
| Grant date | Mar 1, 1994 |
| Priority date | — |
| Expiry date | Mar 1, 2008 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.