Battery separators with T-shaped ribs
US5264304A · kind A · utility
4Cited by
4References
26Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 23, 1991 |
| Grant date | Nov 23, 1993 |
| Priority date | — |
| Expiry date | Sep 23, 2011 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P70/50
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A sheet product useful as a battery separator in the form of a microporous base sheet having spaced T-shaped (cross-sectional) ribs extending from one surface of the base sheet.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.