Battery vent plug
US4052534A · kind A · utility
30Cited by
14References
1Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 3, 1973 |
| Grant date | Oct 4, 1977 |
| Priority date | — |
| Expiry date | May 3, 1993 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
Various improved battery vent plugs utilizing a slit resilient acid-resistant diaphragm bi-directional valve which opens temporarily automatically under gaseous pressure serve to minimize battery fluid loss.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.