Deferred action dry cell battery
US4202935A · kind A · utility
3Cited by
8References
21Claims
0Family size
Inventor
Key dates
| Filing date | Apr 23, 1979 |
| Grant date | May 13, 1980 |
| Priority date | — |
| Expiry date | Apr 23, 1999 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01M6/30
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A dry cell battery has a switch for selectively activating and deactivating the battery.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.