Portable lighting devices
US9549454B2 · kind B2 · utility
12Cited by
5References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 16, 2016 |
| Grant date | Jan 17, 2017 |
| Priority date | — |
| Expiry date | Aug 16, 2036 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/49828
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A flashlight stores a user selection of a desired mode of operation in a temporary storage medium so that it can be retrieved by a controller when an electrical circuit is interrupted for less than a preselected period of time.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.