Condensed multiple convergence linear optical and convective receiver plate for solar conversion or the like
USD243339S · kind S · design
3Cited by
4References
1Claims
0Family size
Inventor
Key dates
| Filing date | Jan 21, 1976 |
| Grant date | Feb 8, 1977 |
| Priority date | — |
| Expiry date | Feb 8, 1991 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.