Desk lamp-convertible pencil box
US4908741A · kind A · utility
Inventor
Key dates
| Filing date | Jun 1, 1989 |
| Grant date | Mar 13, 1990 |
| Priority date | — |
| Expiry date | Jun 1, 2009 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF21V21/29
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A pencil box which can be converted into a desk lamp, including a box seat, a box cover and a pivot member connecting the box cover to the box seat, the box seat having two battery containers and the box cover having two lamp sockets connected to the battery containers via a set of wires which are disposed on the box seat and through the pivot member to form a circuit, a switch being further disposed on the box cover to control the circuit, whereby when batteries and lamps are installed respectively in the battery containers and lamp sockets, the lamps can be lighted up via the switch with the box cover pivoted upward to convert the pencil box into a desk lamp.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.