Portable ceramic heater
USD340971S · kind S · design
22Cited by
3References
1Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jan 31, 1992 |
| Grant date | Nov 2, 1993 |
| Priority date | — |
| Expiry date | Nov 2, 2007 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.