Hand held cordless rechargeable hot gas extraction device for volatizing or vaporizing at least one constituent of a material
USD538914S1 · kind S1 · design
23Cited by
12References
1Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Nov 21, 2005 |
| Grant date | Mar 20, 2007 |
| Priority date | — |
| Expiry date | Mar 20, 2021 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.