Horizontal pulse combustion boiler
USD345201S · kind S · design
0Cited by
14References
1Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 22, 1991 |
| Grant date | Mar 15, 1994 |
| Priority date | — |
| Expiry date | Mar 15, 2008 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.