Fresnel spotlight
USD279928S · kind S · design
10Cited by
2References
1Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 1, 1982 |
| Grant date | Jul 30, 1985 |
| Priority date | — |
| Expiry date | Jul 30, 1999 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.