Collapsible skylight tube having open ends and a light reflecting inner surface
USD464436S1 · kind S1 · design
1Cited by
2References
1Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 19, 1999 |
| Grant date | Oct 15, 2002 |
| Priority date | — |
| Expiry date | Oct 15, 2016 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.