Power interrupter for electrical devices
US3965395A · kind A · utility
4Cited by
3References
10Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jul 2, 1975 |
| Grant date | Jun 22, 1976 |
| Priority date | — |
| Expiry date | Jul 2, 1995 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02H3/16
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A device for normally supplying electrical power from a power source to an electrical device having a working portion which may come into contact with a grounded metal object during its operation and for automatically interrupting such power supply to the device whenever the working portion of the device actually does contact the grounded metal object.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.