Electric forced air or gas heater
USD318106S · kind S · design
16Cited by
6References
1Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 13, 1990 |
| Grant date | Jul 9, 1991 |
| Priority date | — |
| Expiry date | Jul 9, 2005 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.