Battery and method for manufacturing the same
US7455930B2 · kind B2 · utility
1Cited by
5References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 15, 2001 |
| Grant date | Nov 25, 2008 |
| Priority date | — |
| Expiry date | Apr 29, 2022 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/4911
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A battery having a coiled electrode plate assembly housed in a case that efficiently utilizes the space available in portable electronic appliances is provided. The battery case 1 has a head portion 1a having a circular cross section and a body portion 1b having a substantially square cross section, one side of which is equal to or longer than the diameter of the circular cross section of the head portion.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.