Extension cord
US5352132A · kind A · utility
30Cited by
11References
6Claims
0Family size
Inventors
Key dates
| Filing date | Jun 14, 1993 |
| Grant date | Oct 4, 1994 |
| Priority date | — |
| Expiry date | Jun 14, 2013 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01R13/639
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
Disclosed is an extension cord generally comprising a waterproof socket which is adapted to receive a conventional plug. The socket comprises a pair of outwardly protruding buttons which when depressed, allow the plug to be inserted or removed from the socket. When the button is released, the plug is locked within the socket.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.