Electronic cigarette with illuminated tip
US9974338B2 · kind B2 · utility
15Cited by
7References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 25, 2016 |
| Grant date | May 22, 2018 |
| Priority date | — |
| Expiry date | Jul 25, 2036 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF21Y2115/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
Aspects of the instant disclosure relate to electronic cigarettes. More particularly, to electronic cigarettes including a circumferential light guide that distributes light transmitted by a light source, and controller circuitry that variably illuminates the circumferential light guide of the electronic cigarette based on a user's draw strength.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.