Solid fuel heating unit
USD271131S · kind S · design
0Cited by
5References
1Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 1, 1980 |
| Grant date | Oct 25, 1983 |
| Priority date | — |
| Expiry date | Oct 25, 1997 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.