Plumbing vent cap
USD380038S · kind S · design
10Cited by
7References
1Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Oct 18, 1991 |
| Grant date | Jun 17, 1997 |
| Priority date | — |
| Expiry date | Jun 17, 2011 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.